Income Taxes - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Contingency [Line Items]
Deferred tax assets, net	$ 298	$ 206
Deferred tax liabilities, net	2,110	2,148
Total income tax expense	$ 1,049	$ 1,933	$ 1,724
Income tax expense (benefit) per diluted share	$ 4.67	$ 8.30	$ 7.26
Unrecognized tax benefits that would impact effective tax rate in future periods, if recognized	$ 630	$ 804
Unrecognized tax benefits that would impact additional paid-in capital in future periods, if recognized	2
Net interest expense	(15)	57	$ 24
Interest accrued	147	165
Penalties expense	(41)	7	17
Penalties accrued	41	85
Income taxes receivable	436	138
Income taxes receivable, current	587	213
Income taxes payable	151	75
Income taxes paid	1,367	1,411	$ 1,936
Utilization of federal tax credits	1,304	$ 108
State income taxes paid	315
UNITED STATES
Income Tax Contingency [Line Items]
Net operating loss carry forwards	266
State and Local Tax Jurisdiction, Other
Income Tax Contingency [Line Items]
Net operating loss carry forwards	456
Tax Year 2028-2045 | UNITED STATES
Income Tax Contingency [Line Items]
Net operating loss carry forwards	202
Tax Year 2026-2044 | State and Local Tax Jurisdiction, Other
Income Tax Contingency [Line Items]
Net operating loss carry forwards	447
Tax Year 2033-2035 | Foreign Tax Jurisdiction, Other
Income Tax Contingency [Line Items]
Net operating loss carry forwards	188
Indefinite | UNITED STATES
Income Tax Contingency [Line Items]
Net operating loss carry forwards	64
Indefinite | State and Local Tax Jurisdiction, Other
Income Tax Contingency [Line Items]
Net operating loss carry forwards	$ 9