Consolidated Statement of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities:
Net income	$ 358	$ 742
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,040	4,347
Recognition of deferred income	(1,328)	(1,277)
Provision for credit losses	396	278
Amortization of deferred costs	471	462
Foreign currency and other adjustments to the carrying value of debt, net	(1,065)	40
Net realized (gains) losses from sales and other-than-temporary impairment on available-for-sale securities	(240)	10
Gain on sale of commercial finance business	0	(197)
Net change in:
Restricted cash and cash equivalents	117	(69)
Derivative assets	17	0
Other assets (Note 8) and accrued interest	(220)	66
Deferred income taxes	149	380
Derivative liabilities	(6)	(15)
Other liabilities	220	410
Net cash provided by operating activities	3,909	5,177
Cash flows from investing activities:
Purchase of investments in marketable securities	(2,837)	(5,894)
Proceeds from sales of investments in marketable securities	832	641
Proceeds from maturities of investments in marketable securities	2,770	3,987
Acquisition of finance receivables	(19,519)	(19,665)
Collection of finance receivables	18,151	18,381
Net change in wholesale and certain working capital receivables	(1,171)	248
Acquisition of investments in operating leases	(13,825)	(14,978)
Disposals of investments in operating leases	7,786	5,921
Proceeds from sale of commercial finance business	0	2,285
Net change in financing support provided to affiliates	288	58
Other, net	(63)	(34)
Net cash used in investing activities	(7,588)	(9,050)
Cash flows from financing activities:
Proceeds from issuance of debt	18,790	19,562
Payments on debt	(17,509)	(14,958)
Net change in commercial paper	2,388	(159)
Net change in financing support provided by affiliates	(6)	(20)
Net cash provided by financing activities	3,663	4,425
Net (decrease) increase in cash and cash equivalents	(16)	552
Cash and cash equivalents at the beginning of the period	2,701	2,407
Cash and cash equivalents at the end of the period	2,685	2,959
Supplemental disclosures:
Interest paid, net	1,031	905
Income taxes paid (received), net	$ 42	$ (189)