Financial Information for Guarantor Subsidiaries and Non-Guarantor Subsidiaries - Supplemental Condensed Consolidating Statement of Cash Flows (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Condensed Financial Statements
Net cash (used in) provided by operating activities	$ 403	$ 356
Cash flows from investing activities:
Capital expenditures	(207)	(293)
Acquisitions of businesses and assets, net of cash acquired	0	(274)
Distributions of capital from equity investments	18	24
Additions to equity method investments	1	76
Payments for (Proceeds from) Other Investing Activities		76
Other, principally change in intercompany investing activities	0	0
Net cash (used in) provided by investing activities	(190)	(619)
Cash flows from financing activities:
Payments of long-term debt, net of proceeds	(308)	(30)
Repayment of assumed NYX debt	0	(288)
Payments of debt issuance and deferred financing costs	(15)	(39)
Payments on license obligations	(26)	(22)
Sale of future revenue	11
Net proceeds from the sale of SciPlay common stock	342
Payments of deferred SciPlay common stock offering costs	(9)	0
Net redemptions of common stock under stock-based compensation plans and other	(6)	(24)
Other, principally change in intercompany financing activities	0	0
Net cash provided by (used in) financing activities	(11)	(403)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(1)	(2)
Increase (decrease) in cash, cash equivalents and restricted cash	201	(668)
Cash, cash equivalents and restricted cash, beginning of period	220	834
Cash, cash equivalents and restricted cash, end of period	421	166
Reportable Legal Entities \| SGI (Issuer)
Condensed Financial Statements
Net cash (used in) provided by operating activities	77	30
Cash flows from investing activities:
Capital expenditures	(22)	(57)
Acquisitions of businesses and assets, net of cash acquired		0
Distributions of capital from equity investments	0	0
Additions to equity method investments	1
Payments for (Proceeds from) Other Investing Activities		2
Other, principally change in intercompany investing activities	268	91
Net cash (used in) provided by investing activities	245	32
Cash flows from financing activities:
Payments of long-term debt, net of proceeds	(306)	(24)
Repayment of assumed NYX debt		0
Payments of debt issuance and deferred financing costs	(14)	(39)
Payments on license obligations	(1)	0
Sale of future revenue	0
Net proceeds from the sale of SciPlay common stock	0
Payments of deferred SciPlay common stock offering costs	0
Net redemptions of common stock under stock-based compensation plans and other	(2)	0
Other, principally change in intercompany financing activities	0	0
Net cash provided by (used in) financing activities	(323)	(63)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0	0
Increase (decrease) in cash, cash equivalents and restricted cash	(1)	(1)
Cash, cash equivalents and restricted cash, beginning of period	2	1
Cash, cash equivalents and restricted cash, end of period	1	0
Reportable Legal Entities \| SGC (Parent)
Condensed Financial Statements
Net cash (used in) provided by operating activities	(36)	(56)
Cash flows from investing activities:
Capital expenditures	(17)	(30)
Acquisitions of businesses and assets, net of cash acquired		0
Distributions of capital from equity investments	0	0
Additions to equity method investments	0
Payments for (Proceeds from) Other Investing Activities		0
Other, principally change in intercompany investing activities	0	0
Net cash (used in) provided by investing activities	(17)	(30)
Cash flows from financing activities:
Payments of long-term debt, net of proceeds	0	0
Repayment of assumed NYX debt		0
Payments of debt issuance and deferred financing costs	0	0
Payments on license obligations	(20)	(20)
Sale of future revenue	0
Net proceeds from the sale of SciPlay common stock	0
Payments of deferred SciPlay common stock offering costs	0
Net redemptions of common stock under stock-based compensation plans and other	0	(22)
Other, principally change in intercompany financing activities	193	(565)
Net cash provided by (used in) financing activities	173	(607)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0	0
Increase (decrease) in cash, cash equivalents and restricted cash	120	(693)
Cash, cash equivalents and restricted cash, beginning of period	74	732
Cash, cash equivalents and restricted cash, end of period	194	39
Reportable Legal Entities \| Guarantor Subsidiaries
Condensed Financial Statements
Net cash (used in) provided by operating activities	146	153
Cash flows from investing activities:
Capital expenditures	(85)	(122)
Acquisitions of businesses and assets, net of cash acquired		(10)
Distributions of capital from equity investments	0	0
Additions to equity method investments	0
Payments for (Proceeds from) Other Investing Activities		0
Other, principally change in intercompany investing activities	(61)	(15)
Net cash (used in) provided by investing activities	(146)	(147)
Cash flows from financing activities:
Payments of long-term debt, net of proceeds	0	0
Repayment of assumed NYX debt		0
Payments of debt issuance and deferred financing costs	0	0
Payments on license obligations	(5)	(2)
Sale of future revenue	11
Net proceeds from the sale of SciPlay common stock	0
Payments of deferred SciPlay common stock offering costs	0
Net redemptions of common stock under stock-based compensation plans and other	(2)	(2)
Other, principally change in intercompany financing activities	0	0
Net cash provided by (used in) financing activities	4	(4)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0	0
Increase (decrease) in cash, cash equivalents and restricted cash	4	2
Cash, cash equivalents and restricted cash, beginning of period	44	44
Cash, cash equivalents and restricted cash, end of period	48	46
Reportable Legal Entities \| Non-Guarantor Subsidiaries
Condensed Financial Statements
Net cash (used in) provided by operating activities	216	231
Cash flows from investing activities:
Capital expenditures	(83)	(84)
Acquisitions of businesses and assets, net of cash acquired		(264)
Distributions of capital from equity investments	18	24
Additions to equity method investments	0
Payments for (Proceeds from) Other Investing Activities		74
Other, principally change in intercompany investing activities	0	0
Net cash (used in) provided by investing activities	(65)	(398)
Cash flows from financing activities:
Payments of long-term debt, net of proceeds	(2)	(6)
Repayment of assumed NYX debt		(288)
Payments of debt issuance and deferred financing costs	(1)	0
Payments on license obligations	0	0
Sale of future revenue	0
Net proceeds from the sale of SciPlay common stock	342
Payments of deferred SciPlay common stock offering costs	(9)
Net redemptions of common stock under stock-based compensation plans and other	(2)	0
Other, principally change in intercompany financing activities	(400)	489
Net cash provided by (used in) financing activities	(72)	195
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(1)	(2)
Increase (decrease) in cash, cash equivalents and restricted cash	78	26
Cash, cash equivalents and restricted cash, beginning of period	101	60
Cash, cash equivalents and restricted cash, end of period	179	86
Eliminating Entries
Condensed Financial Statements
Net cash (used in) provided by operating activities	0	(2)
Cash flows from investing activities:
Capital expenditures	0	0
Acquisitions of businesses and assets, net of cash acquired		0
Distributions of capital from equity investments	0	0
Additions to equity method investments	0
Payments for (Proceeds from) Other Investing Activities		0
Other, principally change in intercompany investing activities	(207)	(76)
Net cash (used in) provided by investing activities	(207)	(76)
Cash flows from financing activities:
Payments of long-term debt, net of proceeds	0	0
Repayment of assumed NYX debt		0
Payments of debt issuance and deferred financing costs	0	0
Payments on license obligations	0	0
Sale of future revenue	0
Net proceeds from the sale of SciPlay common stock	0
Payments of deferred SciPlay common stock offering costs	0
Net redemptions of common stock under stock-based compensation plans and other	0	0
Other, principally change in intercompany financing activities	207	76
Net cash provided by (used in) financing activities	207	76
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0	0
Increase (decrease) in cash, cash equivalents and restricted cash	0	(2)
Cash, cash equivalents and restricted cash, beginning of period	(1)	(3)
Cash, cash equivalents and restricted cash, end of period	$ (1)	$ (5)

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