Basis of Presentation - Special Dividend (Details) - USD ($) $ / shares in Units, $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Nov. 04, 2021 |
Nov. 20, 2020 |
Sep. 14, 2020 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Basic of presentation | |||||
| Dividends paid to common shareholders | $ 503 | $ 1,251 | |||
| Proceeds from sale of an alternative energy investment | 272 | ||||
| Gain on sale of alternative energy investment | $ 224 | ||||
| Common Class A and B | |||||
| Basic of presentation | |||||
| Dividend per share, cash paid | $ 1.25 | $ 1.50 | $ 1.50 | ||
| Dividends paid to common shareholders | $ 625 | $ 626 | |||
| Dividends declared cash | $ 488 | ||||
| 8.0% Series A Cumulative Redeemable Preferred Stock | |||||
| Basic of presentation | |||||
| Preferred shares issued per common share outstanding | 0.03 | ||||
| Preferred Stock, Dividend Rate, Percentage | 8.00% | ||||
| Preferred stock par value | $ 0.01 | ||||
| Liquidation preference per share | 100 | ||||
| Distribution ratio for the preferred share dividend | $ 3.00 | ||||
| Liquidation preference | $ 1,300 | ||||