Cash and Cash Equivalents (Tables)

9 Months Ended

Sep. 30, 2018

Cash and Cash Equivalents [Abstract]

Summary of Cash and Cash Equivalents

(in millions)	September 30, 2018		December 31, 2017
Cash	$	8	$	261
Marketable securities (1)		1		605
Other cash equivalents		–		50	(2)
Total	$	9	$	916

(1) Primarily consists of government stable value money market funds.

(2) Consists of time deposits.