Debt and Credit Agreements - Schedule of Activity Related to Long-Term Debt (Details) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023
Movement, Debt Instruments [Roll Forward]
Long-term Debt as of December 31, 2023, Current Portion	[1]	$ 558
Long-term Debt as of December 31, 2023, Long-term Portion	[1]	17,975
Long-term Debt as of December 31, 2023, Total		18,533
Long-term Debt Issued (Note 7)	[2]	550	$ 600
Long-term Debt Repaid	[2]	(556)	$ (150)
Reclassifications		0
Hedging, Discount, Premium and Other Activity		14
Long-term Debt as of September 30, 2024, Current Portion		6
Long-term Debt as of September 30, 2024, Long-term Portion		18,535
Long-term Debt as of September 30, 2024, Total		18,541
Current Portion
Movement, Debt Instruments [Roll Forward]
Long-term Debt as of December 31, 2023, Current Portion		558
Long-term Debt Issued (Note 7)		0
Long-term Debt Repaid		(556)
Reclassifications		4
Hedging, Discount, Premium and Other Activity		0
Long-term Debt as of September 30, 2024, Current Portion		6
Long-term Portion
Movement, Debt Instruments [Roll Forward]
Long-term Debt as of December 31, 2023, Long-term Portion		17,975
Long-term Debt Issued (Note 7)		550
Long-term Debt Repaid		0
Reclassifications		(4)
Hedging, Discount, Premium and Other Activity		14
Long-term Debt as of September 30, 2024, Long-term Portion		$ 18,535

[1] See Note 11, Revision of Prior Period Financial Statements.

[2] See Note 11, Revision of Prior Period Financial Statements.