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Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule Of Long-Term Debt

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

						December 31, 2020																		December 31, 2019
						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					$	(1)					$	249					$	250					$	(1)					$	249
3.60% senior notes due 2026 (the "3.60% 2026 Senior Notes")						750						(6)						744						750						(8)						742
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")						859						(10)						849						785						(11)						774
6 ½% senior notes due 2029 (the "6 ½% 2029 GO Zone Senior Notes")						—						—						—						100						(1)						99
3.375% senior notes due 2030 (the "3.375% 2030 Senior Notes")						300						(4)						296						—						—						—
3.50% senior notes due 2032 (the "3.50% 2032 GO Zone Refunding Senior Notes")						250						(1)						249						250						(1)						249
6 ½% senior notes due 2035 (the "6 ½% 2035 GO Zone Senior Notes")						—						—						—						89						(1)						88
6 ½% senior notes due 2035 (the "6 ½% 2035 IKE Zone Senior Notes")						—						—						—						65						—						65
5.0% senior notes due 2046 (the "5.0% 2046 Senior Notes")						700						(23)						677						700						(23)						677
4.375% senior notes due 2047 (the "4.375% 2047 Senior Notes")						500						(9)						491						500						(9)						491
Long-term debt						$	3,620					$	(54)					$	3,566					$	3,500					$	(55)					$	3,445

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- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

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