Derivatives and Hedging (Foreign Exchange Risk) (Details) - Foreign Currency Contracts - Designated contracts € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2023 EUR (€)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Pay Notional	$ 1,182
Receive notional | €			€ 1,100
Fair value gain (loss)	32	$ (5)
Senior Notes, 3.10% Due June 2028
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Pay Notional	$ 645
Pay rate (as a percent)	4.75%		4.75%
Receive notional | €			€ 600
Receive rate (as a percent)	0.0310		0.0310
Fair value gain (loss)	$ 17	(3)
Senior Notes, 3.85% Due June 2034
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Pay Notional	$ 537
Pay rate (as a percent)	5.31%		5.31%
Receive notional | €			€ 500
Receive rate (as a percent)	0.0385		0.0385
Fair value gain (loss)	$ 15	$ (2)