Stockholders' Equity - Narrative (Details)	1 Months Ended					12 Months Ended
	Mar. 31, 2026 $ / shares shares	Feb. 28, 2026 $ / shares shares	Oct. 31, 2025 USD ($) transaction $ / shares shares	Aug. 31, 2025 USD ($)	Aug. 31, 2023 $ / shares shares	Jun. 30, 2026 USD ($) vote holder class $ / shares shares	Jun. 30, 2025 shares	Jun. 30, 2024 shares	Sep. 08, 2025	Jul. 31, 2025 USD ($)
Stockholders Equity [Line Items]
Common stock, number of classes | class						2
Accelerated Share Repurchase
Stockholders Equity [Line Items]
Number of transactions accounted for | transaction			2
Class A and Class B Common Stock
Stockholders Equity [Line Items]
Stock repurchase program, authorized amount | $						$ 12,000,000,000				$ 7,000,000,000
Stock repurchase program, additional authorized amount | $				$ 5,000,000,000
Stock repurchase remaining authorized repurchase amount | $						$ 3,400,000,000
Total number of shares repurchased (in shares)						32,000,000	21,000,000	40,000,000
Class A Common Stock
Stockholders Equity [Line Items]
Number of holders of shares | holder						11,700
Common stock, shares authorized (in shares)						2,000,000,000	2,000,000,000
Class A Common Stock | Accelerated Share Repurchase
Stockholders Equity [Line Items]
Accelerated share repurchases, amount of payment to third party financial institution | $			$ 700,000,000
Total number of shares repurchased (in shares)		1,800,000	8,500,000		7,800,000
Accelerated share repurchases, percentage of shares expected to be repurchased			80.00%
Accelerated share repurchases, initial price paid per share (in dollars per share) | $ / shares			$ 65.51
Accelerated share repurchases, final price paid per share (in dollars per share) | $ / shares		$ 67.36			$ 33.03
Class B Common Stock
Stockholders Equity [Line Items]
Number of votes | vote						1
Number of holders of shares | holder						2,400
Common stock, shares authorized (in shares)						1,000,000,000	1,000,000,000
Class B Common Stock | Maximum | 2025 Stockholders Agreement | Murdoch Individuals
Stockholders Equity [Line Items]
Outstanding voting power, percentage									44.00%
Class B Common Stock | Accelerated Share Repurchase
Stockholders Equity [Line Items]
Accelerated share repurchases, amount of payment to third party financial institution | $			$ 800,000,000
Total number of shares repurchased (in shares)	2,600,000		10,900,000
Accelerated share repurchases, percentage of shares expected to be repurchased			80.00%
Accelerated share repurchases, initial price paid per share (in dollars per share) | $ / shares			$ 58.83
Accelerated share repurchases, final price paid per share (in dollars per share) | $ / shares	$ 59.39
Preferred Class A
Stockholders Equity [Line Items]
Preferred stock, shares authorized (in shares)						35,000,000
Preferred stock, par value (in dollars per share) | $ / shares						$ 0.01
Series Common Stock
Stockholders Equity [Line Items]
Common stock, shares authorized (in shares)						35,000,000