Equity - Common Stock Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Cost of shares issued	$ 74	$ 105	$ 193
Repurchase Shares	50,269,483	49,732,851	72,296,518
Treasury Stock, Value, Acquired, Cost Method	$ 3,133	$ 3,301	$ 4,328
Dividends, Common Stock, Cash	(1,566)	(1,598)	(1,647)
Treasury Stock, Value, Acquired, Cost Method, Excise Tax	30
Retained Earnings
Class of Stock [Line Items]
Dividends, Common Stock, Cash	(1,566)	$ (1,598)	(1,647)
August2021Authorization
Class of Stock [Line Items]
Treasury Stock, Value, Acquired, Cost Method			$ 25
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 0
Common Shares Issued For Stock Options [Member]
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues	1,992,180	3,290,998	4,926,185
Cost of shares issued	$ 110	$ 156	$ 195
Treasury Shares Issued For Stock Options [Member]
Class of Stock [Line Items]
Issued Treasury Stock	0	0	0
Common Stock [Member]
Class of Stock [Line Items]
Dividends, Common Stock, Cash	$ (1,600)	$ (1,600)	$ (1,600)