Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Debt Instrument Table

The following table details our long-term debt:

	December 31,
(In millions)	2018			2017
Senior unsecured notes:
2.700% notes due 2020(a)	$	600		$	600
2.800% notes due 2022(a)	1,000			1,000
9.375% notes due 2022(b)	32			32
Series A notes due 2022(b)	3			3
8.500% notes due 2023(b)	70			70
8.125% notes due 2023(b)	131			131
3.850% notes due 2025(a)	900			900
4.400% notes due 2027(a)	1,000			1,000
6.800% notes due 2032(a)	550			550
6.600% notes due 2037(a)	750			750
5.200% notes due 2045(a)	500			500
Total(b)	5,536			5,536
Unamortized discount	(8		)	(10		)
Unamortized debt issuance cost	(29		)	(32		)
Total long-term debt	$	5,499		$	5,494

^(a)  These notes contain a make-whole provision allowing us to repay the debt at a premium to market price.

^(b)  In the event of a change in control, as defined in the related agreements, debt obligations totaling $236 million at December 31, 2018 may be declared immediately due and payable.

Five Year Schedule Of Debt Payments Table

The following table shows future debt payments:

(In millions)
2019	$	—
2020	600
2021	—
2022	1,035
2023	201
Thereafter	3,700
Total long-term debt, including current portion	$	5,536