Debt (Tables)

3 Months Ended

Mar. 31, 2017

Debt

Schedule of debt

	At		At
	March 31,		December 31,
(in millions)	2017		2016
3.2% senior notes due October 1, 2026	$	497	$	496
4.625% senior notes due November 1, 2020		398		398
1.8% senior notes due September 25, 2017		300		299
6.625% senior notes due April 15, 2037		253		254
6.0% senior notes due April 15, 2017		200		200
5.62% senior notes due March 25, 2020		200		200
Revolving credit facility		44		—
Fair value adjustment related to hedged fixed rate debt instruments		3		3
Long-term debt	$	1,895	$	1,850
Short-term borrowings		118		106
Total debt	$	2,013	$	1,956