| Leases - Other Quantitative Information (Details) - USD ($) $ in Millions | 6 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | |||||||
| Operating Leases | |||||||||
| Weighted-average remaining lease term | 7 years 3 months 18 days | 7 years | |||||||
| Weighted-average discount rate | [1] | 5.10% | 5.00% | ||||||
| Finance Leases | |||||||||
| Weighted-average remaining lease term | 9 years | 8 years 9 months 18 days | |||||||
| Weighted-average discount rate | [1] | 6.60% | 7.40% | ||||||
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | [2] | $ 402 | $ 568 | ||||||
| Right-of-Use Asset Obtained in Exchange for Finance Lease Liability | [3] | $ 472 | 74 | ||||||
| Right-Of-Use Asset Obtained In Exchange For Finance Lease Liability, Reclassification From Operating Lease | 33 | ||||||||
| Right-Of-Use Asset Obtained In Exchange For Operating Lease Liability, Reclassification From Finance Lease | $ 15 | ||||||||
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- Definition Right-Of-Use Asset Obtained In Exchange For Finance Lease Liability, Reclassification From Operating Lease No definition available. 
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- Definition Right-Of-Use Asset Obtained In Exchange For Operating Lease Liability, Reclassification From Finance Lease No definition available. 
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- Definition Weighted average discount rate for finance lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- References No definition available. 
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- References No definition available. 
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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