Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net income (loss)	$ 1,062	$ (744)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	545	551
(Gain) loss on equity securities	(540)	112
Provision (benefit) for deferred income taxes	57	(34)
Stock-based compensation cost	98	102
Loss on assets held for sale	0	426
Inventory impairment	33	31
Changes in operating assets and liabilities:
Current receivables	(434)	(412)
Inventories	(332)	(408)
Accounts payable	(156)	185
Progress collections and deferred income	1,223	624
Contract and other deferred assets	(236)	(122)
Other operating items, net	(47)	89
Net cash flows from operating activities	1,273	400
Cash flows from investing activities:
Expenditures for capital assets	(587)	(494)
Proceeds from disposal of assets	87	143
Proceeds from business dispositions	293	0
Net cash paid for acquisitions	(282)	(86)
Other investing items, net	75	7
Net cash flows used in investing activities	(414)	(430)
Cash flows from financing activities:
Distributions to Members	(384)	(369)
Repurchase of common units	(99)	(462)
Other financing items, net	(18)	(37)
Net cash flows used in financing activities	(501)	(868)
Effect of currency exchange rate changes on cash and cash equivalents	(39)	(20)
Increase (decrease) in cash and cash equivalents	319	(919)
Cash and cash equivalents, beginning of period	2,485	3,843
Cash and cash equivalents, end of period	2,804	2,924
Supplemental cash flows disclosures:
Income taxes paid, net of refunds	316	282
Interest paid	$ 157	$ 140