CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss		$ (1,372)	$ (57)
Adjustments to reconcile net loss to cash flows from operating activities:
Property, plant and equipment impairment		884
Goodwill impairment		91
Depreciation and amortization		60	76
Debt issuance cost amortization		8	11
Debt discount and make-whole accretion		27
Reorganization items, net - Claims valuation adjustments		96
Reorganization items, net - DIP Credit Facility fees		87
Intangible assets impairment		3
Stock-based compensation charges		4	6
Other non-cash items		1
Changes in operating assets and liabilities, net of effects of businesses acquired (disposed):
Accounts receivable		92	(87)
Contracts in progress, net of advance billings on contracts		(307)	(638)
Accounts payable		(293)	357
Other current and non-current assets		(9)	8
Other current and non-current liabilities		(67)	80
Total cash used in operating activities		(695)	(244)
Cash flows from investing activities:
Purchases of property, plant and equipment	[1]	(25)	(18)
Advances related to proportionately consolidated consortiums		(57)	(114)
Investments in unconsolidated affiliates		(3)	(1)
Total cash used in investing activities		(85)	(133)
Cash flows from financing activities:
DIP Term Facility borrowings		1,200
Revolving credit facility borrowings, net			178
Repayment of debt and finance lease obligations		(3)	(8)
Advances related to equity method joint ventures and proportionately consolidated consortiums		69	116
DIP Credit Facility fees		(87)
Repurchase of common stock			(4)
Distributions to joint venture members		(2)	(5)
Total cash provided by financing activities		1,177	277
Effects of exchange rate changes on cash, cash equivalents and restricted cash		(3)	(6)
Net increase (decrease) in cash, cash equivalents and restricted cash		394	(106)
Cash, cash equivalents and restricted cash at beginning of period		1,193	845
Cash, cash equivalents and restricted cash at end of period		1,587	739
Cash, cash equivalents and restricted cash at end of period, discontinued operations		13	134
Cash, cash equivalents and restricted cash at end of period, continuing operations		$ 1,574	$ 605

[1] ^{Capital expenditures reported represent cash purchases. At March 31, 2020 and 2019, we had approximately $47 million and $19 million, respectively, of accrued and unpaid capital expenditures reported in property, plant and equipment and accrued liabilities.}