Held for Sale - Assets and Liabilities Held for Sale (Details) - USD ($) $ in Millions	Mar. 31, 2021	Mar. 31, 2020
Discontinued Operations Disclosures
Total Assets held for sale	$ 12	$ 906
Total Liabilities held for sale	9	683
Held-for-sale
Discontinued Operations Disclosures
Total Assets held for sale	12	906
Total Liabilities held for sale	$ 9	683
German Wholesale Business \| Held-for-sale
Discontinued Operations Disclosures
Receivables, net		548
Inventories, net		478
Long-term assets		88
Remeasurement of assets of business held for sale to fair value less cost to sell (1)		(272)
Total Assets held for sale		842
Drafts and accounts payable		450
Other accrued liabilities		40
Long-term liabilities		166
Total Liabilities held for sale		$ 656

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