Financing Arrangement (Schedule Of Interest Expense Related To Notes) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
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Debt Instruments [Abstract] | ||||
Amortization of debt issuance costs | $ 0 | $ 0 | $ (1) | $ (1) |
Coupon interest expense | (11) | (11) | (21) | (21) |
Total interest expense | $ (11) | $ (11) | $ (22) | $ (22) |
X | ||||||||||
- Definition Debt Instrument Convertible Coupon Interest Expense No definition available.
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X | ||||||||||
- Definition Amount of amortization expense attributable to debt issuance costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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X | ||||||||||
- References No definition available.
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X | ||||||||||
- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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