Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Millions, $ in Millions |
Mar. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Accounts Receivable, allowances | $ 62 | $ 59 |
| Common Stock, issued | 534 | 534 |
| Common Stock, authorized | 1,000 | 1,000 |
| Treasury Stock, Shares | 30 | 29 |
| PSE And G [Member] | ||
| Accounts Receivable, allowances | $ 62 | $ 59 |
| Common Stock, issued | 132 | 132 |
| Common Stock, outstanding | 132 | 132 |
| Common Stock, authorized | 150 | 150 |