Retirement Benefit Obligations - Schedule of Accumulated and Projected Benefit Obligations and Fair Value of Plan Assets for Funded and Unfunded Pension Plans (Detail) - USD ($) $ in Millions	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	$ 1,083	$ 1,549	$ 1,513
Fair value of plan assets	1,051	1,447	1,319
Domestic Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	260	339	353
Accumulated benefit obligation	260	339
Fair value of plan assets	220	285	258
Domestic Pension Benefits | Funded Plans
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	253	330
Accumulated benefit obligation	253	330
Fair value of plan assets	220	285
Domestic Pension Benefits | Unfunded Plans
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	7	9
Accumulated benefit obligation	7	9
Fair value of plan assets	0	0
Foreign Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	755	1,124	1,051
Accumulated benefit obligation	751	1,118
Fair value of plan assets	831	1,162	$ 1,061
Foreign Pension Benefits | Funded Plans
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	701	1,043
Accumulated benefit obligation	697	1,037
Fair value of plan assets	831	1,162
Foreign Pension Benefits | Unfunded Plans
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	54	81
Accumulated benefit obligation	54	81
Fair value of plan assets	$ 0	$ 0