Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 2,017	$ 913	$ 795
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,049	6,930	7,023
Recognition of deferred income	(2,496)	(2,485)	(2,346)
Provision for credit losses	426	590	372
Amortization of deferred costs	789	707	617
Foreign currency and other adjustments to the carrying value of debt, net	1,401	(515)	(938)
Net gains from investments in marketable securities	(149)	(47)	(2)
Net change in:
Derivative assets	(3)	10	0
Other assets and accrued interest	142	(482)	(86)
Deferred income taxes	(2,521)	2	156
Derivative liabilities	(44)	19	20
Other liabilities	632	122	324
Net cash provided by operating activities	6,243	5,764	5,935
Cash flows from investing activities:
Purchase of investments in marketable securities	(2,215)	(2,392)	(1,251)
Proceeds from sales of investments in marketable securities	422	345	1,740
Proceeds from maturities of investments in marketable securities	932	1,200	2,457
Acquisition of finance receivables	(38,702)	(29,375)	(24,686)
Collection of finance receivables	28,009	25,668	24,082
Net change in wholesale and certain working capital receivables	4,793	(2)	(89)
Acquisition of investments in operating leases	(16,778)	(15,350)	(16,068)
Disposals of investments in operating leases	11,821	11,775	11,395
Long term loans to affiliates	(200)	(600)	(569)
Payments on long term loans from affiliates	506	25	36
Other, net	(79)	(51)	(63)
Net cash used in investing activities	(11,491)	(8,757)	(3,016)
Cash flows from financing activities:
Proceeds from issuance of debt	50,281	26,847	21,153
Payments on debt	(30,648)	(23,375)	(23,624)
Net change in commercial paper and other short-term financing	(9,049)	1,861	(2,022)
Loan from affiliate	0	3,000	0
Payment on loan from affiliate	(3,000)	0	0
Net change in financing support provided by affiliates	(13)	16	(2)
Dividend paid	(700)	(10)	0
Net cash provided by (used in) financing activities	6,871	8,339	(4,495)
Net increase (decrease) in cash and cash equivalents and restricted cash and cash equivalents	1,623	5,346	(1,576)
Cash and cash equivalents and restricted cash and cash equivalents at the beginning of the period	8,529	3,183	4,759
Cash and cash equivalents and restricted cash and cash equivalents at the end of the period	10,152	8,529	3,183
Supplemental disclosures:
Interest paid, net	2,445	2,568	2,239
Income taxes paid, net	$ 2,463	$ 269	$ 42