Intangible Assets (Tables)

9 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Amortizable Intangible Assets

Intangible assets consisted of the following:

	As of December 31, 2021
(in millions)	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Software	$	4,129	$	3,013	$	1,116
Customer related intangible assets	4,173		1,910		2,263
Other intangible assets	270		74		196
Total intangible assets	$	8,572	$	4,997	$	3,575

	As of March 31, 2021
(in millions)	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Software	$	4,014	$	2,733	$	1,281
Customer related intangible assets	4,212		1,641		2,571
Other intangible assets	239		48		191
Total intangible assets	$	8,465	$	4,422	$	4,043

Schedule of Components of Amortization Expense

The components of amortization expense were as follows:

	Three Months Ended				Nine Months Ended
(in millions)	December 31, 2021		December 31, 2020		December 31, 2021		December 31, 2020
Intangible asset amortization	$	212	$	224	$	649	$	735
Transition and transformation contract cost amortization(1)	56		66		166		194
Total amortization expense	$	268	$	290	$	815	$	929

(1)Transition and transformation contract costs are included within other assets on the balance sheet.

Estimated Future Amortization of Intangible Assets

Estimated future amortization related to intangible assets as of December 31, 2021 is as follows:

Fiscal Year	(in millions)
Remainder of 2022	$	248
2023	$	774
2024	$	674
2025	$	559
2026	$	515