Equity Investments - Schedules of Equity Method Investments (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
Oct. 31, 2010	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Equity investments		$ 262	$ 273
(Loss) earnings from equity investments		(6)	24	$ 25
Distributed earnings from equity investments		34	49	63
Revenue from the sale of instant tickets to equity method investment		66	76	70
LNS
Schedule of Equity Method Investments [Line Items]
Equity investments		202	201
(Loss) earnings from equity investments		10	16	17
Distributed earnings from equity investments		27	33	38
Revenue from the sale of instant tickets to equity method investment		39	46	40
Northstar NJ and NJ Supply Co
Schedule of Equity Method Investments [Line Items]
Equity investments		14	21
(Loss) earnings from equity investments		(11)	0	3
Distributed earnings from equity investments		3	5	0
Revenue from the sale of instant tickets to equity method investment		24	24	23
GLB and CSG
Schedule of Equity Method Investments [Line Items]
Equity investments		26	26
(Loss) earnings from equity investments		(2)	3	1
Distributed earnings from equity investments		0	0	11
Other Equity Investments [Member]
Schedule of Equity Method Investments [Line Items]
Equity investments		2	5
(Loss) earnings from equity investments		1	4	3
Distributed earnings from equity investments		4	9	8
Revenue from the sale of instant tickets to equity method investment		3	6	7
Hellenic Lotteries S.A. (Greece)
Schedule of Equity Method Investments [Line Items]
Equity investments		18	20
(Loss) earnings from equity investments		(4)	1	1
Distributed earnings from equity investments		$ 0	$ 2	$ 6
Lottery \| LNS
Schedule of Equity Method Investments [Line Items]
Agreement term	9 years
Equity interest (as a percent)		20.00%
Lottery \| Northstar NJ
Schedule of Equity Method Investments [Line Items]
Equity interest (as a percent)		18.00%
Lottery \| Northstar SupplyCo New Jersey, LLC
Schedule of Equity Method Investments [Line Items]
Equity interest (as a percent)		30.00%

Equity Method Investment, Agreement Term

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Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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