Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net income	$ 913	$ 795	$ 3,410
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,930	7,023	7,123
Recognition of deferred income	(2,485)	(2,346)	(2,003)
Provision for credit losses	590	372	401
Amortization of deferred costs	707	617	607
Foreign currency and other adjustments to the carrying value of debt, net	(515)	(938)	1,502
Net gains from investments in marketable securities	(47)	(2)	(41)
Net change in:
Derivative assets	10	0	(10)
Other assets and accrued interest	(482)	(86)	(117)
Deferred income taxes	2	156	(2,578)
Derivative liabilities	19	20	(40)
Other liabilities	122	324	81
Net cash provided by operating activities	5,764	5,935	8,335
Cash flows from investing activities:
Purchase of investments in marketable securities	(2,392)	(1,251)	(7,137)
Proceeds from sales of investments in marketable securities	345	1,740	1,376
Proceeds from maturities of investments in marketable securities	1,200	2,457	5,580
Acquisition of finance receivables	(29,375)	(24,686)	(25,713)
Collection of finance receivables	25,668	24,082	24,100
Net change in wholesale and certain working capital receivables	(2)	(89)	388
Acquisition of investments in operating leases	(15,350)	(16,068)	(16,575)
Disposals of investments in operating leases	11,775	11,395	9,821
Long term loans to affiliates	(600)	(569)	0
Payments on long term loans from affiliates	25	36	0
Net change in financing support provided to affiliates	0	0	755
Other, net	(51)	(63)	(79)
Net cash used in investing activities	(8,757)	(3,016)	(7,484)
Cash flows from financing activities:
Proceeds from issuance of debt	26,847	21,153	21,768
Payments on debt	(23,375)	(23,624)	(23,814)
Net change in commercial paper	1,861	(2,022)	664
Loan from affiliate	3,000	0	0
Net change in financing support provided by affiliates	16	(2)	5
Dividend paid	(10)	0	0
Net cash provided by (used in) financing activities	8,339	(4,495)	(1,377)
Net increase (decrease) in cash and cash equivalents and restricted cash and cash equivalents	5,346	(1,576)	(526)
Cash and cash equivalents and restricted cash and cash equivalents at the beginning of the period	3,183	4,759	5,285
Cash and cash equivalents and restricted cash and cash equivalents at the end of the period	8,529	3,183	4,759
Supplemental disclosures:
Interest paid, net	2,568	2,239	1,722
Income taxes paid, net	$ 269	$ 42	$ 8