Segment Reporting - Revised Financial Information For Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended						6 Months Ended		12 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	$ 1,754	$ 1,715	$ 1,941	$ 1,751	$ 1,747	$ 1,668	$ 3,469	$ 3,415	$ 7,107
Print and Other
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	1,653				1,651		3,266	3,221
FITTLE
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	101				96		203	194
As Reported:
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues		1,715	1,941	1,751	1,747	1,668			7,107
Change:
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues		0	0	0	0	0			0
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	1,775				1,769		3,513	3,460
Segment Profit/(Loss):	107	118	178	65	35	(3)	225	32	275
Operating Segments | Print and Other
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	1,674	1,636	1,862	1,676	1,673	1,593	3,310	3,266	6,804
Segment Profit/(Loss):	107	100	177	63	29	(11)	207	18	258
Operating Segments | FITTLE
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	101	102	101	98	96	98	203	194	393
Segment Profit/(Loss):	0	18	1	2	6	8	18	14	17
Operating Segments | As Reported:
Segment Reporting, Asset Reconciling Item [Line Items]
Segment Profit/(Loss):		118	178	65	35	(3)			275
Operating Segments | As Reported: | Print and Other
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues		1,613	1,843	1,641	1,633	1,550			6,667
Segment Profit/(Loss):		106	183	57	18	(20)			238
Operating Segments | As Reported: | FITTLE
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues		154	151	150	151	158			610
Segment Profit/(Loss):		12	(5)	8	17	17			37
Operating Segments | Change:
Segment Reporting, Asset Reconciling Item [Line Items]
Segment Profit/(Loss):		0	0	0	0	0			0
Operating Segments | Change: | Print and Other
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues		23	19	35	40	43			137
Segment Profit/(Loss):		(6)	(6)	6	11	9			20
Operating Segments | Change: | FITTLE
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues		(52)	(50)	(52)	(55)	(60)			(217)
Segment Profit/(Loss):		6	6	(6)	(11)	(9)			(20)
Intersegment Revenue
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	(21)	(23)	(22)	(23)	(22)	(23)	(44)	(45)	(90)
Intersegment Revenue | Print and Other
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	(21)				(22)		(44)	(45)
Intersegment Revenue | FITTLE
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues	$ 0				0		$ 0	$ 0
Intersegment Revenue | As Reported:
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues		(52)	(53)	(40)	(37)	(40)			(170)
Intersegment Revenue | Change:
Segment Reporting, Asset Reconciling Item [Line Items]
Total Revenues		$ 29	$ 31	$ 17	$ 15	$ 17			$ 80