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Stock Repurchases (Details) - USD ($) shares in Millions | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 25, 2022 | Feb. 28, 2022 | Apr. 25, 2022 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Jul. 09, 2021
Stock Repurchased During Period, Shares |  | 0.6 |  |  |  |  |
Percentage Of Accelerated Share Repurchases Of Shares Expected To Be Repurchased |  | 87.00% |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  |  | $ 4,000,000,000 | $ 1,000,000,000
Stock Repurchased During Period, Value |  | $ 200,000,000 |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  |  | $ 4,000,000,000 | $ 1,000,000,000
Stock repurchase program, remaining authorized amount |  |  |  | $ 646,000,000 |  |  |
Stock Repurchased During Period, Shares |  | 0.6 |  |  |  |  |
Stock Repurchased During Period, Value |  | $ 200,000,000 |  |  |  |  |
Shares repurchased from employees who surrendered shares to satisfy minimum tax withholding obligations, value |  |  |  | $ 4,900,000 | $ 6,000,000.0 |  |
Subsequent Event |  |  |  |  |  |  |
Stock Repurchased During Period, Shares | 0.2 |  | 0.8 |  |  |  |
Stock Repurchased During Period, Shares | 0.2 |  | 0.8 |  |  |  |
Treasury Stock | Subsequent Event |  |  |  |  |  |  |
Stock Repurchased During Period, Value |  |  | $ 173,000,000 |  |  |  |
Stock Repurchased During Period, Value |  |  | 173,000,000 |  |  |  |
Additional Paid-in Capital | Subsequent Event |  |  |  |  |  |  |
Stock Repurchased During Period, Value |  |  | 27,000,000 |  |  |  |
Stock Repurchased During Period, Value |  |  | $ 27,000,000 |  |  |  |

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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585 + Details
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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