Description Of Business And Basis Of Presentation Narrative (Details) - USD ($) |
3 Months Ended | 9 Months Ended |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2021 |
|
| FY21 Change in Estimated Offering Period [Member] | ||
| Change in Accounting Estimate [Line Items] | ||
| Increase in Net Revenue due to Change in Estimated Offering Period | $ 153,000,000 | $ 255,000,000 |
| Increase in Net Income due to Change in Estimated Offering Period | 117,000,000 | 194,000,000 |
| Increase in Diluted Earnings Per Share due to Change in Estimated Offering Period | 0.41 | 0.68 |
| FY22 Change in Estimated Offering Period [Member] | ||
| Change in Accounting Estimate [Line Items] | ||
| Decrease in Net Revenue due to Change in Estimated Offering Period | 45,000,000 | 62,000,000 |
| Decrease in Net Income due to Change in Estimated Offering Period | 34,000,000 | 47,000,000 |
| Decrease in Diluted Earnings Per Share due to Change in Estimated Offering Period | $ 0.12 | $ 0.16 |