STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Mar. 31, 2026

STOCK-BASED COMPENSATION

Stock-based compensation cost associated with employees


		Year Ended March 31,
(Dollars in millions)		2026			2025			2024
Cost of services		$	9		$	12		$	16
Selling, general and administrative expense			55			89			78
Pretax stock-based compensation expense		$	64		$	100		$	95
Income tax benefits			(2)			(7)			(5)
Stock-based compensation cost, net of tax		$	62		$	93		$	90

Summary of restricted stock units, market-conditioned stock units, and performance-conditioned stock units activity


								Market-Conditioned						Performance-Conditioned
		RSUs						Stock Units						Stock Units
					Weighted-						Weighted-						Weighted-
					Average						Average						Average
		Number			Grant-Date			Number			Grant-Date			Number			Grant-Date
		of Units			Fair Value			of Units			Fair Value			of Units			Fair Value
		(in millions)			(per share)			(in millions)			(per share)			(in millions)			(per share)
Nonvested balance at March 31, 2023			9.4		$	18.43			2.3		$	14.40			2.3		$	10.62
Awards granted			3.1		$	13.52			0.6		$	14.10			2.0		$	13.37
Awards vested			(4.0)			21.92			—			—			—			—
Awards canceled/forfeited			(0.4)			17.43			(0.1)			14.43			(0.1)			11.85
Nonvested balance at March 31, 2024			8.0		$	15.33			2.9		$	14.32			4.3		$	12.28
Awards granted			1.7		$	26.65			0.4		$	26.23			1.2		$	26.47
Awards vested			(3.3)			17.14			(0.8)			15.14			—			—
Awards canceled/forfeited			(0.3)			16.58			(0.8)			15.12			(0.1)			12.13
Nonvested balance at March 31, 2025			6.1		$	17.49			1.6		$	16.33			5.4		$	15.01
Awards granted			3.6		$	32.86			—		$	—			1.2		$	39.47
Adjustment for performance achievement									0.6			12.51			(0.4)			10.62
Awards vested			(2.7)			17.74			(1.3)			12.51			(1.9)			10.61
Awards canceled/forfeited			(0.6)			24.45			(0.1)			19.22			(0.5)			23.98
Nonvested balance at March 31, 2026			6.4		$	25.36			0.9		$	18.70			3.8		$	24.24

Summary of assumptions used in estimation of fair value of performance and market-conditioned stock units


		Year Ended March 31,
		2026		2025		2024
Share price		$39.18		$26.51		$13.55
Expected volatility		48%		43%		39%*
Risk-free interest rate		3.88%		4.60%		4.57% - 5.38%
Dividend yield		0%		0%		0%

*	Based on the average three-year historic volatility across a group of peer companies.

Summary of stock option activity


		Stock Options
															Weighted-
								Weighted-							Average
					Weighted-			Average			Aggregate				Remaining
		Number			Average			Grant Date			Intrinsic				Contractual
		of Units			Exercise Price			Fair Value			Value				Term
		(in millions)			(per share)			(per share)			(in millions)				(in years)
Outstanding balance at March 31, 2023			3.7		$	17.76		$	6.54		$	—			8.7
Awards exercised			(0.0)			17.30			6.61			—
Awards canceled/forfeited			(0.1)			17.78			6.54
Outstanding balance at March 31, 2024			3.5		$	17.77		$	6.54		$	—			7.3
Awards exercised			(0.4)			17.69			6.56			4.7
Awards canceled/forfeited			(0.0)			17.78			6.54
Outstanding balance at March 31, 2025			3.1		$	17.78		$	6.54		$	42.7			6.4
Awards exercised			(0.4)			17.77			6.54			6.4
Awards canceled/forfeited			(0.0)			17.78			6.54
Outstanding balance at March 31, 2026			2.7		$	17.78		$	6.54		$	—			5.0
Options vested and exercisable at March 31, 2026			2.7		$	17.78		$	6.54		$	—			5.0