CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income	$ 79	$ 154
Non-cash items included in net income:
Depreciation and amortization	187	78
Debt issuance cost amortization	27
Stock-based compensation charges	36	20
Deferred taxes	(86)	10
Other non-cash items	2	8
Changes in operating assets and liabilities, net of effects of businesses acquired:
Accounts receivable	130	120
Contracts in progress, net of Advance billings on contracts	(318)	(673)
Inventory	4
Accounts payable	123	339
Other current and non-current assets	(52)	(29)
Investments in unconsolidated affiliates	(2)	11
Other current and non-current liabilities	84	98
Total cash provided by operating activities	214	136
Cash flows from investing activities:
CB&I combination consideration, net of cash acquired of $498	(2,374)
Purchases of property, plant and equipment	(62)	(97)
Advances related to proportionately consolidated consortiums	(155)
Proceeds from asset dispositions	55	55
Investments in unconsolidated affiliates	(14)	(3)
Total cash used in investing activities	(2,550)	(45)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	3,560
Repayment of debt and capital lease obligations	(531)	(231)
Advances related to equity method joint ventures and proportionately consolidated consortiums	67
Debt and letter of credit issuance costs	(209)	(20)
Debt extinguishment costs	(10)
Acquisition of NCI		(11)
Repurchase of common stock	(14)	(7)
Total cash provided by (used in) financing activities	2,863	(269)
Effects of exchange rate changes on cash, cash equivalents and restricted cash	(30)
Net increase (decrease) in cash, cash equivalents and restricted cash	497	(178)
Cash, cash equivalents and restricted cash at beginning of period	408	612
Cash, cash equivalents and restricted cash at end of period	$ 905	$ 434

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Period Type:	duration

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration