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v3.22.2.2

Financing Arrangement (Senior Notes) (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 04, 2016 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Mar. 31, 2022 | Feb. 28, 2022 | Feb. 11, 2021 | Feb. 24, 2016
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Senior Long-term Debt | $ 395 |  |  |  |  |  |  |  |  |
Amortization of Debt Discount (Premium) |  | $ 6 |  |  |  |  |  |  |  |
Senior Notes, Noncurrent |  | 1,879 |  | $ 1,879 |  | $ 1,878 | [1] |  |  |
Interest Expense |  | 15 | $ 15 | 29 | $ 29 |  |  |  |  |
Senior Notes |  | 1,879 |  | 1,879 |  | 1,878 |  |  |  |
Proceeds from Debt, Net of Issuance Costs |  |  |  | 1,478 |  |  |  |  |  |
Debt Issuance Costs, Gross |  | 16 |  | 16 |  |  |  |  |  |
2026 Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term Debt |  | 400 |  | $ 400 |  | 400 |  |  |  | $ 400
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  | 4.80%
Debt Instrument, Maturity Date | Mar. 01, 2026 |  |  |  |  |  |  |  |  |
Effective interest rate |  |  |  |  |  |  |  |  |  | 4.97%
Debt Instrument, Convertible, Remaining Discount Amortization Period |  |  |  | 3 years 4 months 24 days |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term Debt |  | 1,900 |  | $ 1,900 |  | 1,900 |  |  |  |
Debt Instrument, Unamortized Discount (Premium), Net |  | (6) |  | (6) |  | (6) |  |  |  | $ (1)
Debt Issuance Costs, Noncurrent, Net |  | 15 |  | 15 |  | 16 |  |  |  | $ 4
Senior Notes, Frequency of Periodic Payment | semiannually |  |  |  |  |  |  |  |  |
Debt Instrument, Fair Value Disclosure |  | 1,462 |  | $ 1,462 |  | 1,711 |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  |  | 100.00% |  |  |  |  |  |
Change of control repurchase event |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  |  | 101.00% |  |  |  |  |  |
2031 Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term Debt |  | 750 |  | $ 750 |  | 750 |  |  | $ 750 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  | 1.85% |
Debt Instrument, Maturity Date |  |  |  | Feb. 15, 2031 |  |  |  |  |  |
Effective interest rate |  |  |  |  |  |  |  | 1.98% |  |
Debt Instrument, Convertible, Remaining Discount Amortization Period |  |  |  | 8 years 4 months 24 days |  |  |  |  |  |
2051 Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term Debt |  | $ 750 |  | $ 750 |  | $ 750 |  |  | $ 750 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  | 2.95% |
Debt Instrument, Maturity Date |  |  |  | Feb. 15, 2051 |  |  |  |  |  |
Effective interest rate |  |  |  |  |  |  |  | 3.04% |  |
Debt Instrument, Convertible, Remaining Discount Amortization Period |  |  |  | 28 years 4 months 24 days |  |  |  |  |  |
[1] | Derived from audited Consolidated Financial Statements.

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