XML 115 R82.htm IDEA: XBRL DOCUMENT v3.20.1
Income Taxes (Schedule Of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Operating Loss Carryforwards [Line Items]      
Unrecognized tax benefits, beginning balance $ 417 $ 457 $ 389
Increases in unrecognized tax benefits related to prior year tax positions 111 0 10
Decreases in unrecognized tax benefits related to prior year tax positions (4) (41) (12)
Increases in unrecognized tax benefits related to current year tax positions 468 43 75
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities 0 (16) (7)
Reductions in unrecognized tax benefits due to lapse of applicable statute of limitations (5) (21) (2)
Changes in unrecognized tax benefits due to foreign currency translation (4) (5) 4
Unrecognized tax benefits, ending balance $ 983 $ 417 $ 457