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Derivative Instruments And Hedging Activities - Schedule of Notional Amount of Net Investment Hedges (Detail) - Mar. 31, 2025 - Designated as Hedging Instrument € in Millions, $ in Millions, $ in Millions | USD ($) | EUR (€) | HKD ($)
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Net Investment Hedging | Currency Swap One | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount | € |  | € 3,505 |
Net Investment Hedging | Currency Swap One | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | $ 3,664 |  |
Net Investment Hedging | Currency Swap Two | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  |  | $ 1,949
Net Investment Hedging | Currency Swap Two | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 250 |  |
2027 | Currency Swap One | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount | € |  | 531 |
2027 | Currency Swap One | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 550 |  |
2027 | Currency Swap Two | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  |  | 0
2027 | Currency Swap Two | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 0 |  |
2028 | Currency Swap One | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount | € |  | 588 |
2028 | Currency Swap One | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 600 |  |
2028 | Currency Swap Two | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  |  | 0
2028 | Currency Swap Two | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 0 |  |
2029 | Currency Swap One | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount | € |  | 573 |
2029 | Currency Swap One | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 614 |  |
2029 | Currency Swap Two | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  |  | 0
2029 | Currency Swap Two | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 0 |  |
2030 | Currency Swap One | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount | € |  | 481 |
2030 | Currency Swap One | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 500 |  |
2030 | Currency Swap Two | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  |  | 0
2030 | Currency Swap Two | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 0 |  |
2031 | Currency Swap One | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount | € |  | 481 |
2031 | Currency Swap One | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 500 |  |
2031 | Currency Swap Two | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  |  | 0
2031 | Currency Swap Two | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 0 |  |
2032 | Currency Swap One | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount | € |  | 481 |
2032 | Currency Swap One | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 500 |  |
2032 | Currency Swap Two | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  |  | 1,949
2032 | Currency Swap Two | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 250 |  |
2033 | Currency Swap One | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount | € |  | € 370 |
2033 | Currency Swap One | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | 400 |  |
2033 | Currency Swap Two | Currency Paid |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  |  | $ 0
2033 | Currency Swap Two | Currency Received |  |  |
Derivative [Line Items] |  |  |
Notional Amount | $ 0 |  |

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