Selected Quarterly Financial Data - (unaudited) (Summary of Quarterly Financial Data) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2019 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
[1] | Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
||||||||||
Selected Quarterly Financial Information [Abstract] | |||||||||||||||||||||
Net revenues | $ 981 | $ 1,105 | $ 1,039 | $ 918 | $ 956 | $ 1,062 | $ 1,007 | $ 907 | $ 4,043 | $ 3,931 | $ 3,806 | ||||||||||
Total expenses | 790 | 891 | 841 | 778 | 797 | 865 | 942 | 804 | 3,299 | 3,408 | 3,367 | ||||||||||
Gain on sale of business | (68) | 0 | 0 | 0 | (68) | 0 | 0 | ||||||||||||||
Operating income | 259 | 214 | 198 | 140 | 159 | 197 | 65 | 103 | 812 | 523 | 439 | ||||||||||
Income from continuing operations | 155 | 135 | 118 | 81 | 106 | 131 | (12) | 41 | 489 | 266 | 646 | ||||||||||
Gain on disposal of discontinued business, net of income taxes | 12 | 0 | 6 | (1) | 4 | 20 | 432 | 0 | 18 | 456 | 0 | ||||||||||
Net Income (Loss) Attributable to Parent | $ 167 | $ 135 | $ 124 | $ 80 | $ 112 | $ 148 | $ 378 | $ 34 | $ 507 | $ 672 | $ 854 | ||||||||||
Basic earnings per share | |||||||||||||||||||||
Continuing operations | $ 1.73 | $ 1.48 | $ 1.27 | $ 0.86 | $ 1.10 | $ 1.32 | $ (0.12) | $ 0.41 | $ 5.31 | $ 2.69 | $ 6.26 | ||||||||||
Discontinued operations | 0.14 | 0 | 0.06 | (0.01) | 0.06 | 0.17 | 3.90 | (0.07) | 0.19 | 4.11 | 2.03 | ||||||||||
Basic (in dollars per share) | 1.87 | 1.48 | 1.33 | 0.85 | 1.16 | 1.49 | 3.78 | 0.34 | 5.50 | 6.80 | 8.29 | ||||||||||
Diluted earnings per share | |||||||||||||||||||||
Continuing operations | 1.73 | 1.47 | 1.26 | 0.85 | 1.10 | 1.31 | (0.12) | 0.41 | 5.29 | 2.68 | 6.22 | ||||||||||
Discontinued operations | 0.14 | 0 | 0.06 | 0 | 0.06 | 0.18 | 3.89 | (0.07) | |||||||||||||
Earnings Per Share, Diluted | $ 1.87 | $ 1.47 | $ 1.32 | $ 0.85 | $ 1.16 | $ 1.49 | $ 3.77 | $ 0.34 | $ 5.48 | $ 6.77 | $ 8.24 | ||||||||||
Weighted average shares outstanding | |||||||||||||||||||||
Basic (in shares) | 89.5 | 91.7 | 93.0 | 94.4 | 96.3 | 99.1 | 100.0 | 100.1 | 92.1 | 98.9 | 103.0 | ||||||||||
Diluted weighted average shares outstanding | 89.8 | 92.0 | 93.3 | 94.7 | 96.7 | 99.5 | 100.3 | 100.8 | 92.4 | [2],[3] | 99.2 | [2],[3] | 103.7 | [2],[3] | |||||||
|
X | ||||||||||
- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation. No definition available.
|
X | ||||||||||
- Definition Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation. No definition available.
|
X | ||||||||||
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- References No definition available.
|
X | ||||||||||
- References No definition available.
|
X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
X | ||||||||||
- References No definition available.
|
X | ||||||||||
- Definition Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
X | ||||||||||
- Definition Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
|
X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- References No definition available.
|
X | ||||||||||
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|