Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Debt Instrument Table

The following table details our long-term debt:

	December 31,
(In millions)	2015			2014
Senior unsecured notes:
0.900% notes due 2015	$	—		$	1,000
6.000% notes due 2017(a)	682			682
5.900% notes due 2018(a)	854			854
7.500% notes due 2019(a)	228			228
2.700% notes due 2020(a)	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			—
6.800% notes due 2032(a)	550			550
6.600% notes due 2037(a)	750			750
5.200% notes due 2045(a)	500			—
Capital leases:
Capital lease obligation of consolidated subsidiary due 2016 – 2049	9			9
Other obligations:
4.550% promissory note, semi-annual payments due 2015	—			68
5.125% obligation relating to revenue bonds due 2037	1,000			1,000
Total(b)	7,309			6,377
Unamortized discount	(10		)	(8		)
Fair value adjustments(c)	17			22
Unamortized debt issuance cost (d)	(39		)	(28		)
Amounts due within one year	(1		)	(1,068		)
Total long-term debt	$	7,276		$	5,295

^(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, 2015 may be declared immediately due and payable.

^(c)  See Notes 15 and 16 for information on interest rate swaps.

^(d)  After the adoption of the debt issuance costs standard, these costs are now reflected as a direct reduction from the associated debt liability in our consolidated balance sheets. See Note 2 for information.

Five Year Schedule Of Debt Payments Table

The following table shows future long-term debt payments:

(In millions)
2016	$	1
2017	682
2018	854
2019	228
2020	600
Thereafter	4,944
Total long-term debt, including current portion	$	7,309