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Noncontrolling Interests (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Noncontrolling Interests: |  |  |  |  |  |  |  |
Net income attributable to noncontrolling interest | $ 194 |  |  | $ 181 |  |  | $ 560 | $ 533
Purchase of noncontrolling interest (shares) | 148,147 |  |  | 196,409 |  |  | 579,914 | 677,584
Purchase price of noncontrolling interest | $ 44 |  |  | $ 78 |  |  | $ 185 | $ 254
Purchase of noncontrolling interest, net of tax | (42) | $ (46) | $ (86) | (69) | $ (50) | $ (108) |  |
Change in noncontrolling interest ownership, net of tax | $ 3 | 2 | (3) | $ (5) | 1 | (9) |  |
A/N |  |  |  |  |  |  |  |
Noncontrolling Interests: |  |  |  |  |  |  |  |
Ownership percentage held by noncontrolling interest (percentage) | 11.00% |  |  | 11.00% |  |  | 11.00% | 11.00%
Common Noncontrolling Interest |  |  |  |  |  |  |  |
Noncontrolling Interests: |  |  |  |  |  |  |  |
Net income attributable to noncontrolling interest | $ 193 |  |  | $ 181 |  |  | $ 558 | $ 532
Noncontrolling Interests |  |  |  |  |  |  |  |
Noncontrolling Interests: |  |  |  |  |  |  |  |
Purchase of noncontrolling interest, net of tax | (36) | (42) | (58) | (44) | (34) | (68) | (136) | (146)
Change in noncontrolling interest ownership, net of tax | 6 | 14 | (13) | (23) | 7 | (37) | 7 | (53)
Additional Paid-in Capital |  |  |  |  |  |  |  |
Noncontrolling Interests: |  |  |  |  |  |  |  |
Purchase of noncontrolling interest, net of tax | (6) | (4) | (28) | (25) | (16) | (40) | (38) | (81)
Change in noncontrolling interest ownership, net of tax | $ (3) | $ (12) | $ 10 | $ 18 | $ (6) | $ 28 | $ (5) | $ 40
Maximum | Charter |  |  |  |  |  |  |  |
Noncontrolling Interests: |  |  |  |  |  |  |  |
Minority Interest Ownership Percentage Threshold | 100.00% |  |  |  |  |  | 100.00% |

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