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Equity - Schedule of Dividends Declared (Details) - USD ($) $ / shares in Units, $ 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 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Equity [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Per Share (in dollars per share) | $ 0.275 | $ 0.275 | $ 0.275 | $ 0.275 | $ 0.24 | $ 0.24 | $ 0.24 | $ 0.24 | $ 0.20 | $ 0.20 | $ 0.20 | $ 0.20 | $ 1.10 | $ 0.96 | $ 0.80
Amount | $ 154 | $ 155 | $ 155 | $ 157 | $ 138 | $ 138 | $ 139 | $ 140 | $ 118 | $ 119 | $ 119 | $ 120 | $ 621 | $ 555 | $ 476

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: 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=27012166&loc=d3e187085-122770 + Details
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- Definition Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. + References Reference 1: 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=27012166&loc=d3e187085-122770 + Details
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