Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Net income	$ 644	$ 440
Other comprehensive income (loss), net of tax:
Net gains (losses) on available-for-sale securities	0	2
Net gains (losses) on derivative instruments	(56)	22
Foreign currency translation adjustments	4	(5)
Total other comprehensive income (loss), net of tax	(52)	19
Total comprehensive income	$ 592	$ 459

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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