Financial Instruments - Summary of Outstanding Foreign Forward and Options Contract (Details)
₱ in Millions, € in Millions, £ in Millions, kr in Millions, kr in Millions, SFr in Millions, R in Millions, Kč in Millions, Ft in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions

Mar. 31, 2026

CHF (SFr)

Mar. 31, 2026

USD ($)

Mar. 31, 2026

EUR (€)

Mar. 31, 2026

AUD ($)

Mar. 31, 2026

GBP (£)

Mar. 31, 2026

SGD ($)

Mar. 31, 2026

NOK (kr)

Mar. 31, 2026

HKD ($)

Mar. 31, 2026

NZD ($)

Mar. 31, 2026

ZAR (R)

Mar. 31, 2026

DKK (kr)

Mar. 31, 2026

HUF (Ft)

Mar. 31, 2026

CAD ($)

Mar. 31, 2026

CZK (Kč)

Mar. 31, 2025

CHF (SFr)

Mar. 31, 2025

USD ($)

Mar. 31, 2025

EUR (€)

Mar. 31, 2025

AUD ($)

Mar. 31, 2025

GBP (£)

Mar. 31, 2025

SGD ($)

Mar. 31, 2025

NOK (kr)

Mar. 31, 2025

HKD ($)

Mar. 31, 2025

NZD ($)

Mar. 31, 2025

DKK (kr)

Mar. 31, 2025

HUF (Ft)

Mar. 31, 2025

CZK (Kč)

Mar. 31, 2025

PHP (₱)

Financial Instruments - Summary of Outstanding Foreign Forward and Options Contract (Details) ₱ in Millions, € in Millions, £ in Millions, kr in Millions, kr in Millions, SFr in Millions, R in Millions, Kč in Millions, Ft in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions	Mar. 31, 2026 CHF (SFr)	Mar. 31, 2026 USD ($)	Mar. 31, 2026 EUR (€)	Mar. 31, 2026 AUD ($)	Mar. 31, 2026 GBP (£)	Mar. 31, 2026 SGD ($)	Mar. 31, 2026 NOK (kr)	Mar. 31, 2026 HKD ($)	Mar. 31, 2026 NZD ($)	Mar. 31, 2026 ZAR (R)	Mar. 31, 2026 DKK (kr)	Mar. 31, 2026 HUF (Ft)	Mar. 31, 2026 CAD ($)	Mar. 31, 2026 CZK (Kč)	Mar. 31, 2025 CHF (SFr)	Mar. 31, 2025 USD ($)	Mar. 31, 2025 EUR (€)	Mar. 31, 2025 AUD ($)	Mar. 31, 2025 GBP (£)	Mar. 31, 2025 SGD ($)	Mar. 31, 2025 NOK (kr)	Mar. 31, 2025 HKD ($)	Mar. 31, 2025 NZD ($)	Mar. 31, 2025 DKK (kr)	Mar. 31, 2025 HUF (Ft)	Mar. 31, 2025 CZK (Kč)	Mar. 31, 2025 PHP (₱)
Derivative Financial Instruments
Disclosure Of Financial Instruments [Line Items]
Nominal value		$ 4,273														$ 3,866
Derivatives Designated As Cash Flow Hedges \| Forward Contract \| Swiss Franc
Disclosure Of Financial Instruments [Line Items]
Nominal value															SFr 53	60
Derivatives Designated As Cash Flow Hedges \| Option Contract \| Euro
Disclosure Of Financial Instruments [Line Items]
Nominal value		479	€ 417													367	€ 341
Derivatives Designated As Cash Flow Hedges \| Option Contract \| Australian Dollars
Disclosure Of Financial Instruments [Line Items]
Nominal value		60		$ 87												58		$ 93
Derivatives Designated As Cash Flow Hedges \| Option Contract \| Swiss Franc
Disclosure Of Financial Instruments [Line Items]
Nominal value	SFr 26	32
Derivatives Designated As Cash Flow Hedges \| Option Contract \| United Kingdom Pound Sterling
Disclosure Of Financial Instruments [Line Items]
Nominal value		24			£ 18											22			£ 17
Derivative Financial Instruments \| Forward Contract \| Euro
Disclosure Of Financial Instruments [Line Items]
Nominal value		980	853													753	698
Derivative Financial Instruments \| Forward Contract \| Australian Dollars
Disclosure Of Financial Instruments [Line Items]
Nominal value		40		58												15		24
Derivative Financial Instruments \| Forward Contract \| Swiss Franc
Disclosure Of Financial Instruments [Line Items]
Nominal value	SFr 70	88													SFr 51	58
Derivative Financial Instruments \| Forward Contract \| United Kingdom Pound Sterling
Disclosure Of Financial Instruments [Line Items]
Nominal value		85			65											69			£ 53
Derivative Financial Instruments \| Forward Contract \| U.S. Dollars
Disclosure Of Financial Instruments [Line Items]
Nominal value		1,509														1,284
Derivative Financial Instruments \| Forward Contract \| Singapore dollars
Disclosure Of Financial Instruments [Line Items]
Nominal value		115				$ 149										99				$ 133
Derivative Financial Instruments \| Forward Contract \| Norwegian Krone
Disclosure Of Financial Instruments [Line Items]
Nominal value		31					kr 300									16					kr 167
Derivative Financial Instruments \| Forward Contract \| Hongkong Dollars
Disclosure Of Financial Instruments [Line Items]
Nominal value		13						$ 106								5						$ 40
Derivative Financial Instruments \| Forward Contract \| New Zealand dollars
Disclosure Of Financial Instruments [Line Items]
Nominal value		13							$ 22							21							$ 37
Derivative Financial Instruments \| Forward Contract \| South African Rand
Disclosure Of Financial Instruments [Line Items]
Nominal value		9								R 152
Derivative Financial Instruments \| Forward Contract \| Denmark, Kroner
Disclosure Of Financial Instruments [Line Items]
Nominal value		8									kr 50					22								kr 152
Derivative Financial Instruments \| Forward Contract \| Hungarian Forint
Disclosure Of Financial Instruments [Line Items]
Nominal value		7										Ft 2,280				5									Ft 2,000
Derivative Financial Instruments \| Forward Contract \| Canadian dollars
Disclosure Of Financial Instruments [Line Items]
Nominal value		5											$ 7
Derivative Financial Instruments \| Forward Contract \| Czech Koruna
Disclosure Of Financial Instruments [Line Items]
Nominal value		5												Kč 99		7										Kč 176
Derivative Financial Instruments \| Forward Contract \| Philippine Peso
Disclosure Of Financial Instruments [Line Items]
Nominal value																9											₱ 500
Derivative Financial Instruments \| Option Contract \| Euro
Disclosure Of Financial Instruments [Line Items]
Nominal value		55	€ 48													193	€ 179
Derivative Financial Instruments \| Option Contract \| Australian Dollars
Disclosure Of Financial Instruments [Line Items]
Nominal value		17		$ 25												7		$ 11
Derivative Financial Instruments \| Option Contract \| United Kingdom Pound Sterling
Disclosure Of Financial Instruments [Line Items]
Nominal value		13			£ 10
Derivative Financial Instruments \| Option Contract \| U.S. Dollars
Disclosure Of Financial Instruments [Line Items]
Nominal value		$ 685														$ 796