XML 87 R71.htm IDEA: XBRL DOCUMENT

Prior-Period Financial Statements - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2016	Jan. 01, 2015
New Accounting Pronouncements
New Accounting Pronouncement, Cumulative Effect of Change on Equity	$ (3)
Accounting Standards Update 2014-09
New Accounting Pronouncements
New Accounting Pronouncement, Cumulative Effect of Change on Equity		$ (372)

Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

+ References + Details