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v3.20.1

Consolidated Statements Of Stockholders' Equity - USD ($) shares in Thousands, $ in Millions | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Mar. 31, 2017 |  | 308,367 |  |  |
Beginning balance at Mar. 31, 2017 | $ 4,060 | $ 3 | $ 1,049 | $ 3,027 | $ (19)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Other comprehensive income (loss) before reclassifications | (107) |  |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) | (1) |  |  |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Parent | 935 |  |  | 1,043 | (108)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 242 |  | 242 |  |
Stock Issued During Period, Shares, New Issues |  | 3,332 |  |  |
Stock Issued During Period, Value, New Issues | (42) |  | (42) |  |
Stock Repurchased and Retired During Period, Shares |  | (5,329) |  |  |
Stock Repurchased and Retired During Period, Value | (601) |  | (601) |  |
Ending balance (in shares) at Mar. 31, 2018 |  | 306,370 |  |  |
Ending balance at Mar. 31, 2018 | 4,595 | $ 3 | 657 | 4,062 | (127)
Beginning balance (in shares) at Mar. 31, 2018 |  | 306,370 |  |  |
Beginning balance at Mar. 31, 2018 | 4,595 | $ 3 | 657 | 4,062 | (127)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Other comprehensive income (loss) before reclassifications | 81 |  |  |  |
Other comprehensive income (loss) before reclassifications | Accounting Standards Update 2014-09 [Member] |  |  |  |  | 22
Amounts reclassified from accumulated other comprehensive income (loss) | (7) |  |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) | Accounting Standards Update 2018-02 [Member] |  |  |  |  | 1
Comprehensive Income (Loss), Net of Tax, Attributable to Parent | 1,093 |  |  | 1,019 | 74
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 284 |  | 284 |  |
Stock Issued During Period, Shares, New Issues |  | 2,722 |  |  |
Stock Issued During Period, Value, New Issues | (61) |  | (61) |  |
Stock Repurchased and Retired During Period, Shares |  | (10,985) |  |  |
Stock Repurchased and Retired During Period, Value | $ (1,192) |  | (880) | (312) |
Ending balance (in shares) at Mar. 31, 2019 | 298,000 | 298,107 |  |  |
Ending balance at Mar. 31, 2019 | $ 5,331 | $ 3 | 0 | 5,358 | (30)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | Accounting Standards Update 2014-09 [Member] | 612 |  |  | 590 |
Cumulative Effect of New Accounting Principle in Period of Adoption | Accounting Standards Update 2018-02 [Member] |  |  |  | (1) |
Other comprehensive income (loss) before reclassifications | 44 |  |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) | (64) |  |  |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Parent | 3,019 |  |  | 3,039 | (20)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 347 |  | 347 |  |
Stock Issued During Period, Shares, New Issues |  | 2,623 |  |  |
Stock Issued During Period, Value, New Issues | (29) |  | (29) |  |
Stock Repurchased and Retired During Period, Shares |  | (12,317) |  |  |
Stock Repurchased and Retired During Period, Value | $ (1,207) |  | (318) | (889) |
Ending balance (in shares) at Mar. 31, 2020 | 288,000 | 288,413 |  |  |
Ending balance at Mar. 31, 2020 | $ 7,461 | $ 3 | $ 0 | $ 7,508 | $ (50)

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