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Earnings Per Share (Current Stock Repurchase Program) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($) brand shares	May 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Stock Repurchase Activity [Roll Forward]
Treasury Stock, Common, Shares, Beginning Balance \| shares	152,336,714
Treasury Stock, Common, Shares, Ending Balance \| shares	154,518,072
Treasury Stock, Value, Beginning Balance	$ 7,196
Treasury Stock, Value, Ending Balance	$ 7,292
Number of share repurchase program increases \| brand	10
Share Repurchase Program
Stock Repurchase Activity [Roll Forward]
Treasury Stock, Common, Shares, Beginning Balance \| shares	127,800,000
Repurchases \| shares	2,200,000
Treasury Stock, Common, Shares, Ending Balance \| shares	130,000,000.0
Treasury Stock, Value, Beginning Balance	$ 6,411
Repurchases	95
Treasury Stock, Value, Ending Balance	6,506
Stock Repurchase Program, Authorized Amount	7,000
Remaining authorized amount under share repurchases	578
Share Repurchase Program, Excise Tax, Payable	3		$ 3
Share Repurchase Program \| Board of Directors
Stock Repurchase Activity [Roll Forward]
Stock Repurchase Program, Authorized Amount		$ 500
Share Repurchase Program \| Option exercises
Stock Repurchase Activity [Roll Forward]
Stock Repurchase Program, Authorized Amount	$ 84