Debt (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Schedule of Debt

Short-term debt and current portion of long-term debt consists of the following:

	September 30, 2018		December 31, 2017
7.000% senior notes due 2019	$	186	$	—
Current portion of term loan due 2019		—		85
	$	186	$	85

Long-term debt consists of the following:

	September 30, 2018		December 31, 2017
Revolving $1.25 billion credit facility	$	230	$	884
Term loan due 2019		—		84
7.000% senior notes due 2019		—		186
5.750% senior notes due 2021		497		497
3.500% senior notes due 2021		448		447
2.125% senior notes due 2022 (i)		625		644
4.625% senior notes due 2023		248		248
3.600% senior notes due 2024		645		645
4.400% senior notes due 2026		544		544
4.500% senior notes due 2028		595		—
6.125% senior notes due 2043		271		271
5.050% senior notes due 2048		395		—
	$	4,498	$	4,450

(i) Notes issued in Euro (€540 million)