Financial Instruments (Schedule of Long-term Debt) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Feb. 01, 2023	Sep. 12, 2017	Nov. 13, 2015	Jan. 28, 2013
Debt Instrument [Line Items]
Debt, principal amount	$ 6,650	$ 6,650
Unamortized debt discount / debt issuance costs	(54)	(60)
Less current portion of long-term debt	1,350	0
Cumulative fair value adjustment for interest rate swap contracts	(26)	(26)
Long-term debt, net of discount and issuance costs	5,220	6,564
Senior Notes | 3.250% 2013 senior notes due 2023
Debt Instrument [Line Items]
Debt, stated interest percentage rate						3.25%
Debt, principal amount			$ 1,350
Senior Notes | 4.500% 2015 senior notes due 2025
Debt Instrument [Line Items]
Debt, stated interest percentage rate					4.50%
Debt, principal amount	750	750
Senior Notes | 3.000% 2017 senior notes due 2027
Debt Instrument [Line Items]
Debt, stated interest percentage rate				3.00%
Debt, principal amount	750	750
Senior Notes | 3.900% 2018 senior notes due 2028
Debt Instrument [Line Items]
Debt, stated interest percentage rate				3.90%
Debt, principal amount	500	500
Senior Notes | 4.700% 2013 senior notes due 2043
Debt Instrument [Line Items]
Debt, stated interest percentage rate						4.70%
Debt, principal amount	1,150	1,150
Senior Notes | 3.950% 2017 senior notes due 2047
Debt Instrument [Line Items]
Debt, stated interest percentage rate				3.95%
Debt, principal amount	500	500
Senior Notes | 4.450% 2018 senior notes due 2048
Debt Instrument [Line Items]
Debt, stated interest percentage rate				4.45%
Debt, principal amount	400	400
Fair Value, Inputs, Level 2
Debt Instrument [Line Items]
Fair value, debt instrument	$ 6,097	$ 6,319