Debt (Tables)

3 Months Ended

Mar. 31, 2016

Debt [Abstract]

Components Of Debt

		March 31, 2016
		(in millions)
	Debt Instrument		Unamortized Issuance Cost		Unamortized Debt Discount		Total
Short-term debt:
7.15% Senior Notes due May 2018	$	1	$	–	$	–	$	1
Total short-term debt	$	1	$	–	$	–	$	1
Long-term debt:
Variable rate (4.154% at March 31, 2016) credit facility, expires December 2018		1,852		–		–		1,852
Variable rate (2.025% at March 31, 2016) term loan facility, due November 2018		750		(2)		–		748
7.35% Senior Notes due October 2017		15		–		–		15
7.125% Senior Notes due October 2017		25		–		–		25
3.3% Senior Notes due January 2018		350		(2)		–		348
7.5% Senior Notes due February 2018		600		(2)		–		598
7.15% Senior Notes due May 2018		26		–		–		26
4.05% Senior Notes due January 2020		850		(5)		–		845
4.10% Senior Notes due March 2022		1,000		(5)		(1)		994
4.95% Senior Notes due January 2025		1,000		(7)		(2)		991
Total long-term debt	$	6,468	$	(23)	$	(3)	$	6,442
Total debt	$	6,469	$	(23)	$	(3)	$	6,443

		December 31, 2015
		(in millions)
	Debt Instrument		Unamortized Issuance Cost		Unamortized Debt Discount		Total
Short-term debt:
7.15% Senior Notes due May 2018	$	1	$	–	$	–	$	1
Total short-term debt	$	1	$	–	$	–	$	1
Long-term debt:
Variable rate (1.886% at December 31, 2015) credit facility, expires December 2018		116		–		–		116
Variable rate (1.775% at December 31, 2015) term loan facility, due November 2018		750		(3)		–		747
7.35% Senior Notes due October 2017		15		–		–		15
7.125% Senior Notes due October 2017		25		–		–		25
3.3% Senior Notes due January 2018		350		(2)		–		348
7.5% Senior Notes due February 2018		600		(2)		–		598
7.15% Senior Notes due May 2018		26		–		–		26
4.05% Senior Notes due January 2020		850		(5)		(1)		844
4.10% Senior Notes due March 2022		1,000		(5)		(1)		994
4.95% Senior Notes due January 2025		1,000		(7)		(2)		991
Total long-term debt	$	4,732	$	(24)	$	(4)	$	4,704
Total debt	$	4,733	$	(24)	$	(4)	$	4,705