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v3.21.2

Investments in Unconsolidated Entities - Schedule of Investments (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Equity Method Investments and Joint Ventures [Abstract] |  |  |  |  |
Equity method investments | $ 487 |  | $ 487 |  | $ 456
Measurement alternative method investments | 22 |  | 22 |  | 21
Total investments in unconsolidated entities | 509 | $ 508 | 509 | $ 508 | $ 477
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Revenues | 1,328 | 1,324 | 3,957 | 3,849 |
Operating expenses | 1,259 | 1,237 | 3,720 | 3,611 |
Operating income | 69 | 87 | 237 | 238 |
Other income (expense), net | 0 | 0 | (1) | (1) |
Net income | 47 | 93 | 152 | 254 |
Equity Method Investments |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Revenues | 1,763 | 1,640 | 5,245 | 4,889 |
Operating expenses | 1,250 | 1,142 | 3,752 | 3,407 |
Operating income | 513 | 498 | 1,493 | 1,482 |
Other income (expense), net | 5 | (3) | 15 | (2) |
Net income | $ 518 | $ 495 | $ 1,508 | $ 1,480 |

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