Investments in Unconsolidated Subsidiaries and Affiliates (Tables)

9 Months Ended

Sep. 30, 2017

Equity Method Investments And Joint Ventures [Abstract]

Summary of Investments in Unconsolidated Subsidiaries and Affiliates

A summary of investments in unconsolidated subsidiaries and affiliates as of September 30, 2017 and December 31, 2016 is as follows:

	September 30, 2017		December 31, 2016
	(in millions)
Equity method	$	554	$	479
Cost method		6		8
Total	$	560	$	487