Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Taxes
Provision for income taxes	$ 495	$ 479	$ 676
Undistributed earnings of foreign subsidiaries expected to be repatriated	101	105
Undistributed earnings of foreign subsidiaries	7,400
Operating Loss Carryforwards, Valuation Allowance	1,200
Income tax loss carryforwards, subject to expiration	534
Remaining amount of loss carryforwards that has no expiration date	687
Unrecognized tax benefits that would reduce our effective tax rate if recognized	420
Total accrued penalties and net accrued interest	35	$ 24
Aggregate resolution of uncertainties	130
U.S. Tax Cuts and Jobs Act
Income Taxes
Undistributed earnings of foreign subsidiaries expected to be repatriated	700
Undistributed earnings of foreign subsidiaries	3,700
Undistributed earnings of foreign subsidiaries considered indefinitely reinvested	3,000
Brazil Tax Matter [Member]
Income Taxes
Proposed Tax Adjustments and Penalties, Foreign Tax Authority	$ 60