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Condensed Consolidated Statements of Stockholders Equity Condensed Consolidated Statements of Stockholders Equity (Parenthetical) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Other Comprehensive Income (Loss), Tax | $ (16) | $ 6
Common Stock, Dividends, Per Share, Cash Paid | $ 0.47 | $ 0.45
PSE And G [Member] |  |
Other Comprehensive Income (Loss), Tax | $ 0 | $ 0
Power [Member] |  |
Other Comprehensive Income (Loss), Tax | $ (15) | $ 5

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