CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net income		$ 79	$ 60
Non-cash items included in net income:
Depreciation and intangible amortization		80	50
Debt issuance cost amortization		17	10
Stock-based compensation charges		28	12
Deferred taxes		(100)	4
Other non-cash items			(2)
Changes in operating assets and liabilities, net of effects of businesses acquired:
Accounts receivable		278	37
Contracts in progress, net of Advance billings on contracts		(141)	(411)
Inventory		14
Accounts payable		129	260
Other current and non-current assets		(2)	(13)
Investments in unconsolidated affiliates		1	8
Other current and non-current liabilities		52	76
Total cash provided by operating activities		435	91
Cash flows from investing activities:
CB&I combination consideration, net of cash of $498 acquired		(2,374)
Purchases of property, plant and equipment	[1]	(43)	(81)
Advances with third party participants of proportionately consolidated consortiums, net		(45)
Proceeds from asset dispositions		2	55
Investments in unconsolidated affiliates		(3)	(1)
Other		2
Total cash used in investing activities		(2,461)	(27)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		3,560
Repayment of debt		(515)	(230)
Advances with joint ventures, proportionately consolidated consortiums and third party participants		(42)
Debt and letter of credit issuance costs		(208)	(19)
Debt extinguishment costs		(10)
Acquisition of NCI			(11)
Repurchase of common stock		(14)	(7)
Total cash provided by (used in) financing activities		2,771	(267)
Effects of exchange rate changes on cash, cash equivalents and restricted cash		(15)
Net increase (decrease) in cash, cash equivalents and restricted cash		730	(203)
Cash, cash equivalents and restricted cash at beginning of period		408	612
Cash, cash equivalents and restricted cash at end of period		$ 1,138	$ 409

[1] Liabilities associated with assets acquired during the first six months of 2018 and 2017 were $14 million and $3 million, respectively.