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Financing Activities Financing Activities- Equity Securities (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Equity Programs [Line Items] |  |  |  |
Treasury Stock, Value, Acquired, Cost Method |  |  |  | $ 1,003
Payments for Repurchase of Redeemable Noncontrolling Interest |  | $ 3 |  |
Preferred Stock Redeemed, Prorated Dividend, Per Share |  | $ 0.1875 |  |
Preferred Stock Redemption, Premium, Per Share |  | $ 5 |  |
Common Stock [Member] |  |  |  |
Equity Programs [Line Items] |  |  |  |
Common stock shares issued | [1] |  | 123 | 983
Treasury stock |  |  |  | (34,778)
Treasury Stock |  |  |  |
Equity Programs [Line Items] |  |  |  |
Treasury Stock, Value, Acquired, Cost Method |  |  |  | $ 1,003
[1] | Shares in thousands. Each share entitles the holder to one vote on any question presented at any shareowners' meeting.

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