Schedule I - Condensed Financial Information of Parent (Statement of Cash Flows) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	$ (3,034)	$ (2,715)	$ (1,902)
Investing Activities:
Sale of short-term investments	1,318	1,049	616
Net cash used in investing activities	(8,188)	(5,836)	(3,051)
Financing Activities:
Common stock dividends paid	(444)	(422)	(401)
Payments for deferred financing costs	(142)	(120)	(32)
Sales to noncontrolling interests	1,938	742	173
Proceeds from (Payments for) Other Financing Activities	(121)	3	(101)
Net cash provided by financing activities	5,405	3,758	797
Cash and cash equivalents, beginning	1,374
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(270)	(56)	(46)
Cash and cash equivalents, ending	1,426	1,374
SUPPLEMENTAL DISCLOSURES:
Cash payments for interest, net of amounts capitalized	(1,317)	(928)	(815)
Cash payments for income taxes, net of refunds	(301)	(271)	(459)
Issuance of preferred stock	0	0	1,014
Parent Company [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	(608)	(434)	570
Investing Activities:
Proceeds from the sale of business interests, net of expenses	474	157	64
Investment in and net advances to subsidiaries	(2,187)	(1,716)	(2,260)
Return of capital	1,185	907	698
Additions to property, plant and equipment	(9)	(10)	(14)
Net cash used in investing activities	(537)	(662)	(1,512)
Financing Activities:
(Repayments) borrowings under the revolver, net	(325)	(40)	295
Borrowings of notes payable and other coupon bearing securities	900	200	0
Loans from (repayments to) subsidiaries	(177)	465	0
Proceeds from issuance of common stock	1	15	8
Common stock dividends paid	(444)	(422)	(401)
Payments for deferred financing costs	(14)	(4)	(4)
Sales to noncontrolling interests	0	0	(1)
Proceeds from (Payments for) Other Financing Activities	(3)	(2)	1
Net cash provided by financing activities	(62)	212	912
Cash and cash equivalents, beginning	24	40	70
Effect of exchange rate changes on cash, cash equivalents and restricted cash	9	(16)	(30)
Cash and cash equivalents, ending	33	24	40
SUPPLEMENTAL DISCLOSURES:
Cash payments for interest, net of amounts capitalized	178	125	79
Cash payments for income taxes, net of refunds	9	1	0
Issuance of preferred stock	$ 0	$ 0	$ 1,014