Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income	$ 690	$ 766
Adjustments to reconcile net income to net cash provided by operating activities:
Debt and derivative instrument valuation adjustments	(118)	(201)
Loss on lease residual values and provision for credit losses	116	89
Early termination loss on operating leases	30	29
Depreciation and amortization	3,239	2,837
Accretion of unearned subsidy income	(830)	(810)
Amortization of deferred dealer participation and IDC	239	254
Gain on disposition of lease vehicles and fixed assets	(34)	(38)
Deferred income tax benefit	735	437
Changes in operating assets and liabilities:
Income taxes receivable/payable	(594)	(20)
Other assets		37
Accrued interest/discounts on debt	31	35
Other liabilities	83	6
Due to/from Parent and affiliated companies	28	(28)
Net cash provided by operating activities	3,615	3,393
Cash flows from investing activities:
Finance receivables acquired	(10,951)	(13,077)
Principal collected on finance receivables	12,907	13,662
Net change in wholesale loans	98	352
Purchase of operating lease vehicles	(11,566)	(10,458)
Disposal of operating lease vehicles	5,055	4,569
Cash received for unearned subsidy income	998	977
Other investing activities, net	(41)	3
Net cash used in investing activities	(3,500)	(3,972)
Cash flows from financing activities:
Proceeds from issuance of commercial paper	27,424	31,729
Paydown of commercial paper	(26,852)	(29,913)
Proceeds from issuance of related party debt	15,338	32,031
Paydown of related party debt	(16,654)	(32,581)
Proceeds from issuance of medium term notes and other debt	5,832	7,353
Paydown of medium term notes and other debt	(5,301)	(6,678)
Proceeds from issuance of secured debt	3,503	2,991
Paydown of secured debt	(3,354)	(3,820)
Net cash (used in)/provided by financing activities	(64)	1,112
Effect of exchange rate changes on cash and cash equivalents	(10)	0
Net increase in cash and cash equivalents	41	533
Cash and cash equivalents at beginning of year	634	138
Cash and cash equivalents at end of year	675	671
Supplemental disclosures of cash flow information:
Interest paid	386	429
Income taxes paid	$ 254	$ 65