Equity (Share Repurchase Program) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Value, Acquired, Cost Method	$ 227	$ 81	$ 99
Stock Repurchase Program, Authorized Amount	$ 500
Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Shares, Acquired	1,372,131	599,254
Treasury Stock, Value, Acquired, Cost Method	$ 200	$ 75
Treasury Stock Acquired, Average Cost Per Share	$ 145.76	$ 125.15