Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2022

Debt Disclosure [Abstract]

Schedule Of Long-Term Debt

Long-term debt consist of the following at December 31:

	2022						2021
	Principal Amount		Unamortized Discount and Debt Issuance Costs		Net Long-Term Debt		Principal Amount		Unamortized Discount and Debt Issuance Costs		Net Long-Term Debt
3.60% senior notes due 2022 (the "3.60% 2022 Senior Notes")	$	—	$	—	$	—	$	250	$	—	$	250
0.875% senior notes due 2024 (the "0.875% 2024 Senior Notes")	300		(1)		299		300		(2)		298
3.60% senior notes due 2026 (the "3.60% 2026 Senior Notes")	750		(4)		746		750		(5)		745
Loan related to tax-exempt waste disposal revenue bonds due 2027	11		—		11		11		—		11
1.625% senior notes due 2029 (the "1.625% 2029 Senior Notes")	750		(7)		743		794		(8)		786
3.375% senior notes due 2030 (the "3.375% 2030 Senior Notes")	300		(3)		297		300		(4)		296
3.50% senior notes due 2032 (the "3.50% 2032 tax-exempt GO Zone Refunding Senior Notes")	250		(1)		249		250		(1)		249
2.875% senior notes due 2041 (the "2.875% 2041 Senior Notes")	350		(11)		339		350		(11)		339
5.00% senior notes due 2046 (the "5.00% 2046 Senior Notes")	700		(21)		679		700		(22)		678
4.375% senior notes due 2047 (the "4.375% 2047 Senior Notes")	500		(8)		492		500		(8)		492
3.125% senior notes due 2051 (the "3.125% 2051 Senior Notes")	600		(22)		578		600		(23)		577
3.375% senior notes due 2061 (the "3.375% 2061 Senior Notes")	450		(19)		431		450		(19)		431
8.73% RS Cogen debt due 2022 (the "8.73% 2022 RS Cogen Debt")	—		—		—		19		—		19
Term loan 2026 (the "2026 Term Loan")	15		—		15		9		—		9
Total long-term debt	4,976		(97)		4,879		5,283		(103)		5,180
Less current portion:
3.60% 2022 Senior Notes	—		—		—		(250)		—		(250)
8.73% 2022 RS Cogen Debt	—		—		—		(19)		—		(19)
Long-term debt, net of current portion	$	4,976	$	(97)	$	4,879	$	5,014	$	(103)	$	4,911