Debt (Tables)

9 Months Ended

Sep. 30, 2019

Debt

Schedule of debt

	As of		As of
(in millions)	September 30, 2019		December 31, 2018
3.2% senior notes due October 1, 2026	$	497	$	496
4.625% senior notes due November 1, 2020		400		399
6.625% senior notes due April 15, 2037		253		254
5.62% senior notes due March 25, 2020		200		200
Term loan credit agreement due April 25, 2019		—		165
Term loan credit agreement due April 12, 2021		500		—
Revolving credit facility		149		418
Fair value adjustment related to hedged fixed rate debt instruments		2		(1)
Long-term debt		2,001		1,931
Short-term borrowings		81		169
Total debt	$	2,082	$	2,100