Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt [Abstract]

Components Of Debt

	2015		2014
	(in millions)
Short-term debt:
7.15% Senior Notes due May 2018	$	1	$	1
Variable rate (1.515% at December 31, 2014) bridge facility, due December 2015		–		4,500
Total short-term debt		1		4,501
Long-term debt:
Variable rate (1.886%  and 1.515% at December 31, 2015 and December 31, 2014, respectively) credit facility, expires December 2018		116		300
Variable rate (1.545% at December 31, 2014) term loan facility, due December 2016		–		500
Variable rate (1.775% at December 31, 2015) term loan facility, due November 2018		750		–
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		–
7.5% Senior Notes due February 2018		600		600
7.15% Senior Notes due May 2018		26		27
4.05% Senior Notes due January 2020		850		–
Unamortized discount		(1)		–
4.10% Senior Notes due March 2022		1,000		1,000
Unamortized discount		(1)		(1)
4.95% Senior Notes due January 2025		1,000		–
Unamortized discount		(2)		–
Total long-term debt		4,728		2,466
Total debt	$	4,729	$	6,967

Schedule Of Long Term Debt Maturities

2016		1
2017		41
2018		1,841
2019		–
2020		850
Thereafter		2,000
	$	4,733