Investments In and Advances To Affiliates (Tables)

3 Months Ended

Mar. 31, 2018

Investments in and Advances to Affiliates, Schedule of Investments [Abstract]

Investments In and Advances to Affiliates Financial Information

The following table summarizes financial information of the Company’s 50%-or-less-owned affiliates that are accounted for using the equity method (in millions):

	Three Months Ended March 31,
50%-or-less-Owned Affiliates	2018		2017
Revenue	$	206	$	167
Operating margin	28		32
Net income	12		11