Income Taxes - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Tax Credit Carryforward [Line Items]
Deferred tax assets valuation allowance	$ 706	$ 115
Deferred tax assets	5,346	2,238
Tax Cuts and Jobs Act of 2017 transition tax long term income taxes payable	218	380
Tax Cuts and Jobs Act of 2017 transition tax in current accrued income taxes payable	189	126
Unrecognized tax benefits that would affect the effective tax rate	884
Interest and penalties related to unrecognized tax benefits, expense (benefit) recognized on a gross basis	76	1	$ 14
Interest and penalties related to unrecognized tax benefits, accrued on a gross basis	188	116
Income tax benefits attributable to reduced tax rates or exemptions in foreign locations	$ 112	$ 170	$ 204
EPS impact of reduced tax rates or exemptions in foreign locations (in dollars per share)	$ 20	$ 30	$ 36
Previously undistributed earnings from non-U.S. subsidiaries permanently reinvested	$ 16,100
Reinvested earnings that may be repatriated from non-U.S. subsidiaries	7,800
Undistributed earnings from non-U.S. subsidiaries permanently reinvested	8,300
PWS Settlement
Tax Credit Carryforward [Line Items]
Deferred tax assets	3,600
Federal jurisdiction
Tax Credit Carryforward [Line Items]
Tax effected operating loss, capital loss, and tax credit carryovers	$ 167
Federal jurisdiction | Minimum
Tax Credit Carryforward [Line Items]
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date (in years)	1 year
Federal jurisdiction | Maximum
Tax Credit Carryforward [Line Items]
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date (in years)	10 years
State jurisdiction
Tax Credit Carryforward [Line Items]
Tax effected operating loss, capital loss, and tax credit carryovers	$ 78
State jurisdiction | Minimum
Tax Credit Carryforward [Line Items]
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date (in years)	1 year
State jurisdiction | Maximum
Tax Credit Carryforward [Line Items]
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date (in years)	11 years
International jurisdiction
Tax Credit Carryforward [Line Items]
Tax effected operating loss, capital loss, and tax credit carryovers	$ 65
International jurisdiction | Minimum
Tax Credit Carryforward [Line Items]
Tax effected operating loss, capital loss, and tax credit carryovers, expiration date (in years)	1 year