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v3.20.4

Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Mar. 31, 2020
--- | --- | ---
Assets: |  |
ROU operating lease assets | $ 1,459 | $ 1,428
ROU finance lease assets | 971 | 1,220
Total | 2,430 | 2,648
Current |  |
Operating lease | 450 | 482
Finance lease | 431 | 444
Total | 881 | 926
Non-current |  |
Operating lease | 1,113 | 1,063
Finance lease | 545 | 602
Total | $ 1,658 | $ 1,665
Weighted Average remaining lease term: |  |
Operating leases | 4 years 9 months 18 days | 4 years 9 months 18 days
Finance leases | 2 years 8 months 12 days | 2 years 8 months 12 days
Weighted average remaining discount rate: |  |
Operating leases | 4.00% | 4.00%
Finance leases | 3.80% | 6.40%
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Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | us-gaap:DebtCurrent | us-gaap:DebtCurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | us-gaap:LongTermDebtNoncurrent | us-gaap:LongTermDebtNoncurrent

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