Financial Instruments and Fair Value Measurements - Summary of Mandatorily Redeemable Noncontrolling Interest Liabilities Classified Level 3 (Parenthetical) (Detail) - R E A Group Limited [Member] - Smartline Home Loans Pty Limited [Member] $ in Millions	Jul. 01, 2019 AUD ($)
Remaining percentage of minority interest	19.70%
Business acquisition, cost of acquired entity, cash paid	$ 11
Ownership percentage	100.00%