CIK 0001307954
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_payable | {"amount": 907000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-12-31 | sec_edgar |
| accounts_payable | {"amount": 865000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-09-30 | sec_edgar |
| accounts_payable | {"amount": 1069000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-06-30 | sec_edgar |
| accounts_payable | {"amount": 1252000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-03-31 | sec_edgar |
| accounts_payable | {"amount": 1054000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-12-31 | sec_edgar |
| accounts_payable | {"amount": 955000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-09-30 | sec_edgar |
| accounts_payable | {"amount": 995000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-06-30 | sec_edgar |
| accounts_payable | {"amount": 909000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-03-31 | sec_edgar |
| accounts_payable | {"amount": 842000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-12-31 | sec_edgar |
| accounts_payable | {"amount": 696000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-09-30 | sec_edgar |
| accounts_payable | {"amount": 587000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-06-30 | sec_edgar |
| accounts_payable | {"amount": 825000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-03-31 | sec_edgar |
| accounts_payable | {"amount": 765000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_payable | {"amount": 715000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-09-30 | sec_edgar |
| accounts_payable | {"amount": 898000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-06-30 | sec_edgar |
| accounts_payable | {"amount": 881000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_payable | {"amount": 761000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-12-31 | sec_edgar |
| accounts_payable | {"amount": 964000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-09-30 | sec_edgar |
| accounts_payable | {"amount": 962000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-06-30 | sec_edgar |
| accounts_payable | {"amount": 961000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| accounts_payable | {"amount": 946000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-12-31 | sec_edgar |
| accounts_payable | {"amount": 871000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-09-30 | sec_edgar |
| accounts_payable | {"amount": 1138000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-06-30 | sec_edgar |
| accounts_payable | {"amount": 1125000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| accounts_payable | {"amount": 774000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-12-31 | sec_edgar |
| accounts_payable | {"amount": 999000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-09-30 | sec_edgar |
| accounts_payable | {"amount": 963000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-06-30 | sec_edgar |
| accounts_payable | {"amount": 999000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| accounts_payable | {"amount": 1034000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-12-31 | sec_edgar |
| accounts_payable | {"amount": 1037000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_payable | {"amount": 1179000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_payable | {"amount": 1162000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_payable | {"amount": 1218000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_payable | {"amount": 1133000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_payable | {"amount": 1117000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_payable | {"amount": 1144000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_payable | {"amount": 1067000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_payable | {"amount": 1034000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_payable | {"amount": 996000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_payable | {"amount": 1101000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_payable | {"amount": 1102000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_payable | {"amount": 1017000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_payable | {"amount": 976000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_payable | {"amount": 1089000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_payable | {"amount": 862000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_payable | {"amount": 941000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_payable | {"amount": 1110000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_payable | {"amount": 1074000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| accounts_payable | {"amount": 842000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| accounts_payable | {"amount": 817000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| accounts_payable | {"amount": 822000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| accounts_payable | {"amount": 730000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2009-12-31 | sec_edgar |
| capex | {"amount": 38000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2026-03-31 | sec_edgar |
| capex | {"amount": 173000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2025-12-31 | sec_edgar |
| capex | {"amount": 116000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2025-09-30 | sec_edgar |
| capex | {"amount": 73000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2025-06-30 | sec_edgar |
| capex | {"amount": 36000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2025-03-31 | sec_edgar |
| capex | {"amount": 184000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2024-12-31 | sec_edgar |
| capex | {"amount": 133000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2024-09-30 | sec_edgar |
| capex | {"amount": 92000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2024-06-30 | sec_edgar |
| capex | {"amount": 42000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2024-03-31 | sec_edgar |
| capex | {"amount": 230000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2023-12-31 | sec_edgar |
| capex | {"amount": 147000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2023-09-30 | sec_edgar |
| capex | {"amount": 97000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2023-06-30 | sec_edgar |
| capex | {"amount": 46000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2023-03-31 | sec_edgar |
| capex | {"amount": 272000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2022-12-31 | sec_edgar |
| capex | {"amount": 186000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2022-09-30 | sec_edgar |
| capex | {"amount": 129000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2022-06-30 | sec_edgar |
| capex | {"amount": 64000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-03-31 | sec_edgar |
| capex | {"amount": 326000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2021-12-31 | sec_edgar |
| capex | {"amount": 241000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2021-09-30 | sec_edgar |
| capex | {"amount": 174000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2021-06-30 | sec_edgar |
| capex | {"amount": 98000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2021-03-31 | sec_edgar |
| capex | {"amount": 237000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2020-12-31 | sec_edgar |
| capex | {"amount": 170000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2020-09-30 | sec_edgar |
| capex | {"amount": 116000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2020-06-30 | sec_edgar |
| capex | {"amount": 61000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2020-03-31 | sec_edgar |
| capex | {"amount": 274000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2019-12-31 | sec_edgar |
| capex | {"amount": 181000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2019-09-30 | sec_edgar |
| capex | {"amount": 118000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2019-06-30 | sec_edgar |
| capex | {"amount": 61000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-03-31 | sec_edgar |
| capex | {"amount": 251000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2018-12-31 | sec_edgar |
| capex | {"amount": 148000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2018-09-30 | sec_edgar |
| capex | {"amount": 109000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2018-06-30 | sec_edgar |
| capex | {"amount": 55000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-03-31 | sec_edgar |
| capex | {"amount": 234000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2017-12-31 | sec_edgar |
| capex | {"amount": 159000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2017-09-30 | sec_edgar |
| capex | {"amount": 101000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2017-06-30 | sec_edgar |
| capex | {"amount": 51000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-03-31 | sec_edgar |
| capex | {"amount": 318000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2016-12-31 | sec_edgar |
| capex | {"amount": 214000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2016-09-30 | sec_edgar |
| capex | {"amount": 189000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2016-06-30 | sec_edgar |
| capex | {"amount": 99000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-03-31 | sec_edgar |
| capex | {"amount": 461000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2015-12-31 | sec_edgar |
| capex | {"amount": 454000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2015-09-30 | sec_edgar |
| capex | {"amount": 296000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2015-06-30 | sec_edgar |
| capex | {"amount": 149000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2015-03-31 | sec_edgar |
| capex | {"amount": 601000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2014-12-31 | sec_edgar |
| capex | {"amount": 351000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2014-09-30 | sec_edgar |
| capex | {"amount": 214000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2014-06-30 | sec_edgar |
| capex | {"amount": 107000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2014-03-31 | sec_edgar |
| capex | {"amount": 471000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2013-12-31 | sec_edgar |
| capex | {"amount": 295000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2013-09-30 | sec_edgar |
| capex | {"amount": 181000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2013-06-30 | sec_edgar |
| capex | {"amount": 89000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-03-31 | sec_edgar |
| capex | {"amount": 412000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-12-31 | sec_edgar |
| capex | {"amount": 248000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-09-30 | sec_edgar |
| capex | {"amount": 163000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-06-30 | sec_edgar |
| capex | {"amount": 81000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-03-31 | sec_edgar |
| capex | {"amount": 330000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-12-31 | sec_edgar |
| capex | {"amount": 217000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-09-30 | sec_edgar |
| capex | {"amount": 124000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-06-30 | sec_edgar |
| capex | {"amount": 60000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-03-31 | sec_edgar |
| capex | {"amount": 236000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-12-31 | sec_edgar |
| capex | {"amount": 132000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-09-30 | sec_edgar |
| capex | {"amount": 78000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-06-30 | sec_edgar |
| capex | {"amount": 37000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-03-31 | sec_edgar |
| capex | {"amount": 189000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-12-31 | sec_edgar |
| capex | {"amount": 140000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-09-30 | sec_edgar |
| capex | {"amount": 100000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-06-30 | sec_edgar |
| capex | {"amount": 418000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2008-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 369000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2026-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 429000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2025-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 468000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2025-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 399000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2025-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 334000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2025-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 340000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2024-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 330000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2024-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 335000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2024-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 552000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2024-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 540000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2023-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 496000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2023-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 502000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2023-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 615000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2023-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 654000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2022-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 515000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2022-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 608000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2022-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 807000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2022-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1041000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2021-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 505000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2021-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 510000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2021-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 673000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2021-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1593000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2020-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1168000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2020-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1254000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2020-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1594000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2020-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 525000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2019-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 418000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2019-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 449000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2019-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 444000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2019-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 340000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2018-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 446000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2018-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 408000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2018-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 444000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2018-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 470000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2017-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 440000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2017-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 509000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2017-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 457000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2017-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 385000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 439000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 373000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 208000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2016-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 236000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 433000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 599000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 994000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 825000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 582000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 403000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 277000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 520000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 397000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 172000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 247000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 387000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 435000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 452000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 463000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 554000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 453000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 683000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 632000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 966000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1003000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 766000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1110000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2010-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1745000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1619000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2009-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 2295000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "curren | 2009-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 657000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2008-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 154000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2007-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 369000000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2026-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 429000000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2025-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 468000000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2025-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 399000000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2025-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 334000000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2025-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 340000000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2024-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 330000000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2024-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 335000000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2024-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 552000000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCa | 2024-03-31 | sec_edgar |