PROPERTY AND EQUIPMENT - Balances (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
PROPERTY AND EQUIPMENT
Property and equipment, gross	$ 8,124.0	$ 8,597.0
Less: Accumulated depreciation	(5,606.0)	(6,026.0)
Property, plant and equipment - net	2,517.0	2,570.0
Information technology equipment
PROPERTY AND EQUIPMENT
Property and equipment, gross	5,472.0	5,858.0
Buildings and leasehold improvements
PROPERTY AND EQUIPMENT
Property and equipment, gross	2,315.0	2,402.0
Office and other equipment
PROPERTY AND EQUIPMENT
Property and equipment, gross	266.0	268.0
Land and land improvements
PROPERTY AND EQUIPMENT
Property and equipment, gross	$ 70.0	$ 68.0

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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