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Schedule I - Condensed Financial Information of Parent (Statement of Cash Flows) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | $ (2,715) | $ (1,902) | $ (2,755)
Investing Activities: |  |  |
Sale of short-term investments | 1,049 | 616 | 627
Net cash used in investing activities | (5,836) | (3,051) | (2,295)
Financing Activities: |  |  |
Common stock dividends paid | (422) | (401) | (381)
Payments for deferred financing costs | (120) | (32) | (107)
Sales to noncontrolling interests | 742 | 173 | 553
Proceeds from (Payments for) Other Financing Activities | 3 | (101) | (29)
Net cash provided by (used in) financing activities | 3,758 | 797 | (78)
Cash and cash equivalents, beginning | 943 |  |
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (56) | (46) | (24)
Cash and cash equivalents, ending | 1,374 | 943 |
SUPPLEMENTAL DISCLOSURES: |  |  |
Cash payments for interest, net of amounts capitalized | (928) | (815) | (908)
Cash payments for income taxes, net of refunds | (271) | (459) | (333)
Issuance of preferred stock | 0 | 1,014 | 0
Parent Company [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | (434) | (570) | 434
Investing Activities: |  |  |
Proceeds from the sale of business interests, net of expenses | 157 | 64 | 412
Investment in and net advances to subsidiaries | (1,716) | (2,260) | (652)
Return of capital | 907 | 698 | 346
Additions to property, plant and equipment | (10) | (14) | (8)
Sale of short-term investments | 0 | 0 | (1)
Net cash used in investing activities | (662) | (1,512) | 97
Financing Activities: |  |  |
(Repayments) Borrowings under the revolver, net | (40) | 295 | (110)
Borrowings of notes payable and other coupon bearing securities | 200 | 0 | 3,397
Repayments of notes payable and other coupon bearing securities | 0 | 0 | (3,366)
Loans from subsidiaries | 465 | 0 | 25
Proceeds from issuance of common stock | 15 | 8 | 4
Common stock dividends paid | (422) | (401) | (381)
Payments for deferred financing costs | (4) | (4) | (38)
Sales to noncontrolling interests | 0 | (1) | 0
Proceeds from (Payments for) Other Financing Activities | (2) | 1 | (3)
Net cash provided by (used in) financing activities | 212 | 912 | (472)
Cash and cash equivalents, beginning | 40 | 70 | 11
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (16) | (30) | 59
Cash and cash equivalents, ending | 24 | 40 | 70
SUPPLEMENTAL DISCLOSURES: |  |  |
Cash payments for interest, net of amounts capitalized | 125 | 79 | 156
Cash payments for income taxes, net of refunds | 1 | 0 | (8)
Issuance of preferred stock | $ 0 | $ 1,014 | $ 0

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