General General (Tables)

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

Adoption of the updated guidance resulted in the following changes to the Condensed Consolidated Balance Sheet on January 1, 2019:

(In millions)	Balance as of December 31, 2018		Adjustments Due to Adoption of Topic 842		Balance as of January 1, 2019
Property and equipment at cost (less accumulated depreciation)	$	324	$	2	$	326
Other assets	1,208		237		1,445
Other liabilities	3,089		239		3,328