Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income (loss)	$ (16,776,000,000)	$ 177,000,000
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	1,010,000,000	1,065,000,000
Goodwill impairment	14,717,000,000	0
Intangible assets impairment	729,000,000	0
Property, plant and equipment impairment	290,000,000	0
Inventory impairment	218,000,000	0
Loss on sale of business	217,000,000	138,000,000
Write-down of assets held for sale	129,000,000	0
Benefit for deferred income taxes	(254,000,000)	(46,000,000)
Changes in operating assets and liabilities:
Current receivables	580,000,000	(322,000,000)
Inventories	(183,000,000)	(324,000,000)
Accounts payable	(674,000,000)	(27,000,000)
Progress collections and deferred income	619,000,000	710,000,000
Contract and other deferred assets	(90,000,000)	(46,000,000)
Other operating items, net	392,000,000	(510,000,000)
Net cash flows from operating activities	924,000,000	815,000,000
Cash flows from investing activities:
Expenditures for capital assets	(801,000,000)	(873,000,000)
Proceeds from disposal of assets	141,000,000	201,000,000
Other investing items, net	109,000,000	13,000,000
Net cash flows used in investing activities	(551,000,000)	(659,000,000)
Cash flows from financing activities:
Net repayments of debt and other borrowings	(170,000,000)	(227,000,000)
Proceeds from issuance of commercial paper	737,000,000	0
Proceeds from issuance of long-term debt	500,000,000	0
Distributions to members	(558,000,000)	(560,000,000)
Repurchase of common units	0	(250,000,000)
Other financing items, net	(15,000,000)	37,000,000
Net cash flows from (used in) financing activities	494,000,000	(1,000,000,000)
Effect of currency exchange rate changes on cash and cash equivalents	(59,000,000)	(29,000,000)
Increase (decrease) in cash and cash equivalents	808,000,000	(873,000,000)
Cash and cash equivalents, beginning of period	3,245,000,000	3,677,000,000
Cash and cash equivalents, end of period	4,053,000,000	2,804,000,000
Supplemental cash flows disclosures:
Income taxes paid, net of refunds	317,000,000	299,000,000
Interest paid	$ 188,000,000	$ 196,000,000