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CAPITAL MANAGEMENT - Changes in Invested Capital (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Changes in Invested capital [Roll Forward] |  |  |  |  |
Opening balance | $ 12,287 | $ 12,272 | $ 12,281 | $ 12,195 |
Net redemption of preferred units | 0 | 0 | 0 | (220) |
Issuance of perpetual subordinated notes | 0 | 0 | 0 | 293 | [1]
Issuance of limited partnership units | 2 | 4 | 8 | 8 |
Ending balance | 12,289 | 12,276 | 12,289 | 12,276 |
Weighted Average Invested Capital | $ 12,287 | $ 12,272 | $ 12,284 | $ 12,262 |
[1] | Refer to Note 15, Partnership Capital.

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