Asset Securitizations (Tables)

12 Months Ended

Dec. 31, 2017

Table Text Block [Abstract]

Restricted cash held by trusts

The following table provides information on the restricted cash held by the Lending Trust and the Charge Trustas of December 31, 2017and 2016, included in Other assets on the Consolidated Balance Sheets:

(Millions)	2017		2016
Lending Trust	$	55	$	35
Charge Trust		7		3
Total	$	62	$	38