Cash And Cash Equivalents (Tables)

9 Months Ended

Sep. 30, 2017

Cash And Cash Equivalents [Abstract]

Summary Of Cash And Cash Equivalents

	September 30,		December 31,
	2017		2016
	(in millions)
Cash	$	259	$	254
Marketable securities (1)		680		1,169
Other cash equivalents (2)		50		−
Total cash and cash equivalents	$	989	$	1,423

(1) Consists of government stable value money market funds.

(2) Consists of time deposits.