Consolidated Statements of Changes in Equity - 6 months ended Jun. 30, 2016 - USD ($) $ in Millions	Total	Member's Equity	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2015	$ 35,032	$ 34,984	$ 48
Cash distributions to Parent	(1,250)	(1,250)	0
Comprehensive income (loss), net of tax	1,555	1,556	(1)
Balance at Jun. 30, 2016	$ 35,337	$ 35,290	$ 47