Equity - Summary of Changes in Equity (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Beginning balance	$ 9,148	$ 8,454	$ 9,146	$ 8,389
Net income	262	261	529	308
Other comprehensive loss	(28)	308	(186)	421
Dividends	0	(1)	(86)	(80)
Share repurchases	(46)		(46)
Other	11	52	(10)	36
Ending balance	$ 9,347	9,074	$ 9,347	9,074
Class A Common Stock
Class of Stock [Line Items]
Beginning balance, shares			391,212,047
Share repurchases (in shares)	(1,400,000)		(1,400,000)
Ending balance, shares	391,879,191		391,879,191
Class B Common Stock
Class of Stock [Line Items]
Beginning balance, shares			199,630,240
Share repurchases (in shares)	(700,000)		(700,000)
Ending balance, shares	198,985,085		198,985,085
Common Stock | Class A Common Stock
Class of Stock [Line Items]
Beginning balance	$ 4	$ 4	$ 4	$ 4
Beginning balance, shares	393,000,000	391,000,000	391,000,000	389,000,000
Share repurchases (in shares)	(1,000,000)		(1,000,000)
Other, shares	0	0	2,000,000	2,000,000
Ending balance	$ 4	$ 4	$ 4	$ 4
Ending balance, shares	392,000,000	391,000,000	392,000,000	391,000,000
Common Stock | Class B Common Stock
Class of Stock [Line Items]
Beginning balance	$ 2	$ 2	$ 2	$ 2
Beginning balance, shares	200,000,000	200,000,000	200,000,000	200,000,000
Share repurchases (in shares)	(1,000,000)		(1,000,000)
Ending balance	$ 2	$ 2	$ 2	$ 2
Ending balance, shares	199,000,000	200,000,000	199,000,000	200,000,000
Additional Paid-in Capital
Class of Stock [Line Items]
Beginning balance	$ 11,980	$ 12,075	$ 12,057	$ 12,148
Dividends	0	0	(59)	(59)
Share repurchases	(44)		(44)
Other	12	16	(6)	2
Ending balance	11,948	12,091	11,948	12,091
Accumulated Deficit
Class of Stock [Line Items]
Beginning balance	(2,715)	(3,207)	(2,911)	(3,241)
Net income	235	231	431	265
Share repurchases	(2)		(2)
Ending balance	(2,482)	(2,976)	(2,482)	(2,976)
Accumulated Other Comprehensive Loss
Class of Stock [Line Items]
Beginning balance	(1,061)	(1,235)	(941)	(1,331)
Other comprehensive loss	(28)	245	(148)	341
Ending balance	(1,089)	(990)	(1,089)	(990)
Total News Corp Equity
Class of Stock [Line Items]
Beginning balance	8,210	7,639	8,211	7,582
Net income	235	231	431	265
Other comprehensive loss	(28)	245	(148)	341
Dividends	0	0	(59)	(59)
Share repurchases	(46)		(46)
Other	12	16	(6)	2
Ending balance	8,383	8,131	8,383	8,131
Non-controlling Interests
Class of Stock [Line Items]
Beginning balance	938	815	935	807
Net income	27	30	98	43
Other comprehensive loss	0	63	(38)	80
Dividends	0	(1)	(27)	(21)
Other	(1)	36	(4)	34
Ending balance	$ 964	$ 943	$ 964	$ 943