Basis of Presentation (Detail) $ in Millions	6 Months Ended
Jun. 30, 2026 USD ($) segment	Dec. 31, 2025 USD ($)
Capitalized Costs
Number of reportable segments \| segment	5
Deferred contract costs	$ 230	$ 237
Deferred sales incentives	$ 184	$ 177
Minimum [Member]
Capitalized Costs
Deferred Revenue Recognition Period	1 month
Contract amortization period	5 years
Maximum [Member]
Capitalized Costs
Deferred Revenue Recognition Period	3 months
Contract amortization period	16 years

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Amount of deferred sale inducement cost capitalized on contract remaining in force.

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