Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash flows provided by (used in) Operating activities:
Net income (loss)	$ 109	$ (1,250)	$ 60
Net (income) loss from discontinued operations	(26)	377	(116)
Net income (loss) from continuing operations	83	(873)	(56)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Impairment losses including inventory	17	651
Depreciation and amortization	376	439	152
Amortization of debt issuance costs and other noncash interest expense	11	9	3
Stock-based compensation expense	20	20	23
Loss from early extinguishment of debt	22		23
Gain on sale of assets	(136)	(33)
Deferred income tax expense (benefit)		(48)	(169)
Equity in (income) loss from joint ventures, net of tax	(11)	(2)	1
Other	7	28	(5)
Changes in operating assets and liabilities:
Trade and other receivables	(20)	(19)	56
Accounts payables and accrued liabilities	7	113	(7)
Contract liabilities	(117)	(158)	(15)
Other	(1)	(13)	50
Cash provided by operating activities - continuing operations	258	114	56
Cash provided by operating activities - discontinued operations	59	25	49
Cash provided by operating activities	317	139	105
Investing activities:
Purchase of property, plant and equipment and development or purchase of software	(314)	(206)	(59)
Sale of assets	280	68
Cash collected on note receivable		5
Cash paid for acquisitions, net of tax			(2,273)
Disposal of subsidiary and short-term investments		4
Return of capital from discontinued operations	28
Cash used in investing activities - continuing operations	(6)	(129)	(2,332)
Cash used in investing activities - discontinued operations	(7)	(21)	(9)
Cash used in investing activities	(13)	(150)	(2,341)
Financing activities:
Net (payment) proceeds of revolving credit facility	(595)		3,160
Net proceeds from issuance of 2023 Notes and other long-term debt	980	104
Repayments of long-term debt	(520)	(24)	(779)
Payment of debt issuance costs	(4)	(3)
Refinancing fees paid to creditors	(20)		(63)
Repurchase of orbital receivables	(24)
Settlement of securitization liability	(20)	(15)	(15)
Proceeds from securitization of orbital receivables		18
Payment of dividends	(2)	(65)	(47)
Other	(3)		1
Cash (used in) provided by financing activities - continuing operations	(208)	15	2,257
Cash used in financing activities - discontinued operations	(30)	(2)	(22)
Cash (used in) provided by financing activities	(238)	13	2,235
Increase in cash, cash equivalents, and restricted cash	66	2	(1)
Effect of foreign exchange on cash, cash equivalents, and restricted cash		(1)	4
Cash, cash equivalents, and restricted cash, beginning of year	43	42	39
Cash, cash equivalents, and restricted cash, end of year	$ 109	$ 43	$ 42