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Equity - Stock Repurchases (Details) | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2022 USD ($) transaction shares | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) shares | Jun. 22, 2022 shares | Jan. 29, 2020 shares | Dec. 04, 2013 shares
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Remaining shares available under repurchase program (shares) |  |  | 27,200,000 |  |  |  |  |
ARS agreement transactions | transaction |  |  | 2 |  |  |  |  |
Total cash utilized | $ |  |  | $ 12,004,000,000 | $ 0 | $ 1,164,000,000 |  |  |
2022 Repurchase Program |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Shares authorized to be repurchased (shares) |  |  |  |  |  | 30,000,000 |  |
Shares authorized to be repurchased as percentage of outstanding common stock |  |  |  |  |  | 9.00% |  |
2020 Repurchase Program |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Shares authorized to be repurchased (shares) |  |  |  |  |  |  | 30,000,000 |
Shares authorized to be repurchased as percentage of outstanding common stock |  |  |  |  |  |  | 12.00% |
2013 Repurchase Program |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Shares authorized to be repurchased (shares) |  |  |  |  |  |  |  | 50,000,000
Shares authorized to be repurchased as percentage of outstanding common stock |  |  |  |  |  |  |  | 18.00%
Stock Repurchases |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Stock repurchased during period (shares) |  |  | 33,500,000 |  | 4,000,000 |  |  |
Total cash utilized | $ |  | $ 3,000,000 | $ 12,000,000,000 | $ 0 | $ 1,161,000,000 |  |  |
Stock Repurchases, subsequently settled |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Total cash utilized | $ | $ 1,164,000,000 |  |  |  |  |  |  |

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- Definition Maximum number of shares authorized for repurchase under stock repurchase plan as percentage of outstanding common stock. + References No definition available. + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&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 https://asc.fasb.org/extlink&oid=126973232&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 https://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 https://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 https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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