Financial Instruments - Senior Notes Offering and Other Long-Term Debt (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Feb. 01, 2023	Nov. 08, 2022	Jan. 28, 2013
Debt Instrument [Line Items]
Repayments of long-term debt	$ 0	$ 1,350
Debt, principal amount	6,650		$ 6,650
Senior Notes
Debt Instrument [Line Items]
Debt, purchase price percent due to downgrade of investment grade						101.00%
Senior Notes | 2.000% 2020 senior notes due 2030
Debt Instrument [Line Items]
Debt, principal amount	$ 750		750
Interest rate percentage	2.00%
Senior Notes | 3.000% 2020 senior notes due 2050
Debt Instrument [Line Items]
Debt, principal amount	$ 500		500
Interest rate percentage	3.00%
Senior Notes | 2022 Senior Notes
Debt Instrument [Line Items]
Debt, principal amount					$ 1,350
Debt, unamortized discount					$ 2
Senior Notes | 5.400% 2022 senior notes due 2025
Debt Instrument [Line Items]
Debt, principal amount	$ 600		600
Interest rate percentage					5.40%
Senior Notes | 5.600% 2022 senior notes due 2032
Debt Instrument [Line Items]
Debt, principal amount	$ 750		$ 750
Interest rate percentage					5.60%
Senior Notes | Senior Notes Due 2023
Debt Instrument [Line Items]
Debt, principal amount				$ 1,350
Interest rate percentage	3.25%