Dispositions - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Nov. 25, 2020
Discontinued Operations [Line Items]
Net gain on dispositions		$ 41	$ 0	$ 56	$ 116
Gain (loss) on sale of business					$ 116
Simon And Schuster
Discontinued Operations [Line Items]
Contingent termination fee						$ 200
Not Discontinued Operations, Disposed of by Sale | Nordics
Discontinued Operations [Line Items]
Net gain on dispositions	$ 41
Not Discontinued Operations, Disposed of by Sale | Other Dispositions
Discontinued Operations [Line Items]
Net gain on dispositions				$ 15
Discontinued Operations, Disposed of by Sale | Simon And Schuster
Discontinued Operations [Line Items]
Sale of business, consideration						$ 2,175