Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Long-Term Debt

Long-Term Debt at December 31, 2021 and 2020 consisted of the following (in millions):

	2021		2020
4.100% Senior Notes due 2021	$	—	$	750
2.625% Senior Notes due 2023	1,250		1,250
3.15% Senior Notes due 2025	500		500
4.15% Senior Notes due 2026	750		750
6.65% Senior Notes due 2028	140		140
4.375% Senior Notes due 2030	750		750
3.90% Senior Notes due 2035	500		500
5.10% Senior Notes due 2036	250		250
4.950% Senior Notes due 2050	750		750
Long-Term Debt	4,890		5,640
Finance Leases (see Note 18)	250		212
Less: Current Portion of Long-Term Debt	37		781
Unamortized Debt Discount	27		31
Debt Issuance Costs	4		5
Total Long-Term Debt	$	5,072	$	5,035