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Derivatives and Hedging (Foreign Currency Risk) (Details) - Foreign Currency Contracts - Designated contracts € in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 EUR (€)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 1,997		$ 1,997
Receive notional | €					€ 1,850
Fair value gain (loss)	(10)	$ 71	256	$ 62
Senior Notes, 3.10% Due June 2028
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 645		$ 645
Pay Rate	4.75%		4.75%		4.75%
Receive notional | €					€ 600
Rate	0.0310		0.0310		0.0310
Fair value gain (loss)	$ (3)	23	$ 83	23
Senior Notes, 3.85% Due June 2034
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 537		$ 537
Pay Rate	5.31%		5.31%		5.31%
Receive notional | €					€ 500
Rate	0.0385		0.0385		0.0385
Fair value gain (loss)	$ (3)	19	$ 69	19
Senior Notes, 3.75% Due April 2031
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 815		$ 815
Pay Rate	5.65%		5.65%		5.65%
Receive notional | €					€ 750
Rate	0.0375		0.0375		0.0375
Fair value gain (loss)	$ (4)	$ 29	$ 104	$ 20

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