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Income Taxes - Components Of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred tax assets: |  |
Deferred revenue/gains | $ 220 | $ 271
Employee benefits | 95 | 72
Foreign tax credit | 90 | 78
Other credits | 15 | 4
Net operating loss carryforward | 914 | 709
Interest expense limitation carryforward | 50 | 29
Operating lease liabilities | 161 | 194
Rent expense | 18 | 84
Transaction costs | 25 | 13
Sec. 174 research activities | 27 | 16
Other | 16 | 20
Total deferred tax assets | 1,631 | 1,490
Valuation allowance | (153) | (90)
Deferred tax assets, net | 1,478 | 1,400
Deferred tax liabilities: |  |
Property and equipment | (2,049) | (1,963)
Operating lease assets | (143) | (173)
Other | (29) | (34)
Total deferred tax liabilities | (2,221) | (2,170)
Net deferred tax liability | $ (743) | $ (770)

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