Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income	$ 619	$ 92
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	269	277
Gain on equity securities	(392)	(11)
Provision for deferred income taxes	23	12
Stock-based compensation cost	49	52
Inventory impairment	18	0
Changes in operating assets and liabilities:
Current receivables	(401)	(264)
Inventories	(265)	(205)
Accounts payable	43	74
Progress collections and deferred income	639	280
Contract and other deferred assets	(148)	(38)
Other operating items, net	8	(191)
Net cash flows from operating activities	462	78
Cash flows from investing activities:
Expenditures for capital assets	(310)	(268)
Proceeds from disposal of assets	46	91
Other investing items, net	35	(89)
Net cash flows used in investing activities	(229)	(266)
Cash flows from financing activities:
Net repayments of debt	(5)	(11)
Distributions to Members	(192)	(185)
Repurchase of common units	0	(236)
Other financing items, net	(53)	(37)
Net cash flows used in financing activities	(250)	(469)
Effect of currency exchange rate changes on cash and cash equivalents	(55)	1
Decrease in cash and cash equivalents	(72)	(656)
Cash and cash equivalents, beginning of period	2,485	3,843
Cash and cash equivalents, end of period	2,413	3,187
Supplemental cash flows disclosures:
Income taxes paid, net of refunds	163	130
Interest paid	$ 50	$ 48