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Debt and Credit Agreements - Schedule of Debt (Details) - USD ($) $ in Millions	Sep. 30, 2022	Aug. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Net premium (discount)	$ 119		$ 185
Unamortized debt issuance costs	(6)		(9)
Long-term debt	2,232		3,125
Current portion of long-term debt	$ 44		0
6.51% weighted-average private placement senior notes
Debt Instrument [Line Items]
Weighted average interest rate	6.51%	6.51%
Total debt	$ 0		37
5.58% weighted-average private placement senior notes
Debt Instrument [Line Items]
Weighted average interest rate	5.58%	5.58%
Total debt	$ 0		87
3.65% weighted-average private placement senior notes
Debt Instrument [Line Items]
Weighted average interest rate	3.65%
Total debt	$ 825		825
4.375% senior notes due June 1, 2024
Debt Instrument [Line Items]
Stated percentage	4.375%
Total debt	$ 44		750
Current portion of long-term debt	$ 44
3.90% senior notes due May 15, 2027
Debt Instrument [Line Items]
Stated percentage	3.90%
Total debt	$ 750		750
4.375% senior notes due March 15, 2029
Debt Instrument [Line Items]
Stated percentage	4.375%
Total debt	$ 500		$ 500