Receivables, Net (Details) - USD ($) $ in Millions	Mar. 31, 2019	Mar. 31, 2018
Receivables, Net, Current [Abstract]
Customer accounts	$ 14,941	$ 14,349
Other	3,584	3,578
Total	18,525	17,927
Allowances	(279)	(216)
Net	$ 18,246	$ 17,711

Accounts Receivable, Customer Accounts, Gross

No definition available.

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- Definition

Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

+ References

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-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

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-Publisher FASB
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-Topic 310
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- Definition

Amount, before allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

+ References

No definition available.

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- Definition

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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- References

No definition available.

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