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Quarterly Financial Data (Unaudited) | 12 Months Ended
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Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data (Unaudited) [Text Block] | Quarterly Financial Data (Unaudited)
| 2020 |  | 2019
12/31 |  | 9/30 |  | 6/30 |  | 3/31 | 12/31 |  | 9/30 |  | 6/30 |  | 3/31
(in millions, except per share data)
Net revenues | $ | 3,183 |  |  | $ | 3,003 |  |  | $ | 2,712 |  |  | $ | 3,001 |  |  | $ | 3,287 |  |  | $ | 3,317 |  |  | $ | 3,245 |  |  | $ | 3,118 |
Pretax income | 190 |  |  | (184) |  |  | (526) |  |  | 2,351 |  |  | 534 |  |  | 641 |  |  | 587 |  |  | 470 |
Net income | 177 |  |  | (140) |  |  | (539) |  |  | 2,036 |  |  | 463 |  |  | 543 |  |  | 492 |  |  | 395 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 1.46 |  |  | $ | (1.14) |  |  | $ | (4.31) |  |  | $ | 16.11 |  |  | $ | 3.59 |  |  | $ | 4.09 |  |  | $ | 3.61 |  |  | $ | 2.85 |
Diluted | $ | 1.43 |  |  | $ | (1.14) |  | (1) | $ | (4.31) |  | (1) | $ | 15.88 |  |  | $ | 3.53 |  |  | $ | 4.04 |  |  | $ | 3.57 |  |  | $ | 2.82 |
Weighted average common shares outstanding: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | 120.9 |  |  | 123.0 |  |  | 125.0 |  |  | 126.4 |  |  | 129.0 |  |  | 132.7 |  |  | 136.1 |  |  | 138.8 |
Diluted | 123.4 |  |  | 124.9 |  |  | 126.2 |  |  | 128.2 |  |  | 131.3 |  |  | 134.5 |  |  | 138.0 |  |  | 140.1 |
Cash dividends declared per common share | $ | 1.04 |  |  | $ | 1.04 |  |  | $ | 1.04 |  |  | $ | 0.97 |  |  | $ | 0.97 |  |  | $ | 0.97 |  |  | $ | 0.97 |  |  | $ | 0.90 |
(1) Diluted shares used in this calculation represent basic shares due to the net loss. Using actual diluted shares would result in anti-dilution.

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- References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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