Share Repurchase Transactions and Other Comprehensive Loss - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	6 Months Ended
	Jun. 30, 2026	Jan. 31, 2026	Jan. 31, 2025
Capital Structure [Line Items]
Repurchase of common stock, shares	7,909
Repurchase price of common stock, per share	$ 447.53
Board of Directors Chairman [Member]
Capital Structure [Line Items]
Stock repurchase program remaining amount of authorization	$ 7,210
Maximum [Member] \| Board of Directors Chairman [Member]
Capital Structure [Line Items]
Share repurchase program authorized amount		$ 10,000	$ 10,000

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.