Held for Sale - Assets and Liabilities Held for Sale (Details) - USD ($) $ in Millions	Dec. 31, 2020	Mar. 31, 2020
Assets
Total assets held for sale	$ 15	$ 906
Liabilities
Total liabilities held for sale	14	683
Held-for-sale
Assets
Total assets held for sale	15	906
Liabilities
Total liabilities held for sale	$ 14	683
German Wholesale Business \| Held-for-sale
Assets
Receivables, net and other current assets		548
Inventories, net		478
Long-term assets		88
Remeasurement of assets of business held for sale to fair value less costs to sell		(272)
Total assets held for sale		842
Liabilities
Drafts and accounts payable		450
Other accrued liabilities		40
Long-term liabilities		166
Total liabilities held for sale		$ 656

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