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Noncontrolling Interests (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Noncontrolling Interests: |  |  |  |  |  |  |  |
Net income attributable to noncontrolling interest | $ 179 |  |  | $ 194 |  |  | $ 565 | $ 560
Number of units purchased (shares) | 312,960 |  |  | 148,147 |  |  | 996,296 | 579,914
Purchase of noncontrolling interest | $ 121 |  |  | $ 44 |  |  | $ 373 | $ 185
Purchase of noncontrolling interest, net of tax | (113) | $ (216) | $ (19) | (42) | $ (46) | $ (86) |  |
Change in noncontrolling interest ownership, net of tax | $ (1) | (4) | (5) | $ 3 | 2 | (3) |  |
A/N |  |  |  |  |  |  |  |
Noncontrolling Interests: |  |  |  |  |  |  |  |
Ownership percentage held by noncontrolling interest (percentage) | 10.00% |  |  | 10.00% |  |  | 10.00% | 10.00%
Common Noncontrolling Interest |  |  |  |  |  |  |  |
Noncontrolling Interests: |  |  |  |  |  |  |  |
Net income attributable to noncontrolling interest | $ 179 |  |  | $ 193 |  |  | $ 564 | $ 558
Noncontrolling Interests |  |  |  |  |  |  |  |
Noncontrolling Interests: |  |  |  |  |  |  |  |
Purchase of noncontrolling interest, net of tax | (88) | (171) | (14) | (36) | (42) | (58) | (273) | (136)
Change in noncontrolling interest ownership, net of tax | (2) | (18) | (20) | 6 | 14 | (13) | (40) | 7
Additional Paid-in Capital |  |  |  |  |  |  |  |
Noncontrolling Interests: |  |  |  |  |  |  |  |
Purchase of noncontrolling interest, net of tax | (25) | (45) | (5) | (6) | (4) | (28) | (75) | (38)
Change in noncontrolling interest ownership, net of tax | $ 1 | $ 14 | $ 15 | $ (3) | $ (12) | $ 10 | $ 30 | $ (5)
Maximum | Charter |  |  |  |  |  |  |  |
Noncontrolling Interests: |  |  |  |  |  |  |  |
Minority Interest Ownership Percentage Threshold | 100.00% |  |  |  |  |  | 100.00% |

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