Consolidated Statements of Changes in Equity - 3 months ended Mar. 31, 2017 - USD ($) $ in Millions	Total	Member's Equity	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2016	$ 36,172	$ 36,053	$ 119
Cash distributions to Parent	(625)	(625)	0
Comprehensive income (loss), net of tax	836	838	(2)
Balance at Mar. 31, 2017	$ 36,383	$ 36,266	$ 117