Financial Instruments - Investments by Category and Related Balance Sheet Classification (Details) - USD ($) $ in Millions	Jul. 29, 2022	Apr. 29, 2022
Schedule of Investments [Line Items]
Cost	$ 7,030	$ 7,131
Unrealized Gains	5	5
Unrealized Losses	(269)	(245)
Fair Value	6,767	6,893
Investments
Schedule of Investments [Line Items]
Fair Value	6,733	6,859
Other Assets
Schedule of Investments [Line Items]
Fair Value	33	33
Level 2
Schedule of Investments [Line Items]
Cost	6,462	6,563
Unrealized Gains	4	4
Unrealized Losses	(253)	(227)
Fair Value	6,213	6,341
Level 2 | Investments
Schedule of Investments [Line Items]
Fair Value	6,213	6,341
Level 2 | Other Assets
Schedule of Investments [Line Items]
Fair Value	0	0
U.S. government and agency securities | Level 1
Schedule of Investments [Line Items]
Cost	532	533
Unrealized Gains	1	1
Unrealized Losses	(13)	(15)
Fair Value	520	518
U.S. government and agency securities | Level 1 | Investments
Schedule of Investments [Line Items]
Fair Value	520	518
U.S. government and agency securities | Level 1 | Other Assets
Schedule of Investments [Line Items]
Fair Value	0	0
U.S. government and agency securities | Level 2
Schedule of Investments [Line Items]
Cost	928	910
Unrealized Gains	0	0
Unrealized Losses	(37)	(41)
Fair Value	891	869
U.S. government and agency securities | Level 2 | Investments
Schedule of Investments [Line Items]
Fair Value	891	869
U.S. government and agency securities | Level 2 | Other Assets
Schedule of Investments [Line Items]
Fair Value	0	0
Corporate debt securities | Level 2
Schedule of Investments [Line Items]
Cost	4,339	4,457
Unrealized Gains	4	4
Unrealized Losses	(156)	(140)
Fair Value	4,186	4,321
Corporate debt securities | Level 2 | Investments
Schedule of Investments [Line Items]
Fair Value	4,186	4,321
Corporate debt securities | Level 2 | Other Assets
Schedule of Investments [Line Items]
Fair Value	0	0
Mortgage-backed securities | Level 2
Schedule of Investments [Line Items]
Cost	573	592
Unrealized Gains	0	0
Unrealized Losses	(38)	(35)
Fair Value	535	558
Mortgage-backed securities | Level 2 | Investments
Schedule of Investments [Line Items]
Fair Value	535	558
Mortgage-backed securities | Level 2 | Other Assets
Schedule of Investments [Line Items]
Fair Value	0	0
Non-U.S. government and agency securities | Level 2
Schedule of Investments [Line Items]
Cost	17	17
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	17	17
Non-U.S. government and agency securities | Level 2 | Investments
Schedule of Investments [Line Items]
Fair Value	17	17
Non-U.S. government and agency securities | Level 2 | Other Assets
Schedule of Investments [Line Items]
Fair Value	0	0
Certificates of deposit | Level 2
Schedule of Investments [Line Items]
Cost	10	20
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	10	20
Certificates of deposit | Level 2 | Investments
Schedule of Investments [Line Items]
Fair Value	10	20
Certificates of deposit | Level 2 | Other Assets
Schedule of Investments [Line Items]
Fair Value	0	0
Other asset-backed securities | Level 2
Schedule of Investments [Line Items]
Cost	595	567
Unrealized Gains	0	0
Unrealized Losses	(22)	(11)
Fair Value	574	556
Other asset-backed securities | Level 2 | Investments
Schedule of Investments [Line Items]
Fair Value	574	556
Other asset-backed securities | Level 2 | Other Assets
Schedule of Investments [Line Items]
Fair Value	0	0
Auction rate securities | Level 3
Schedule of Investments [Line Items]
Cost	36	36
Unrealized Gains	0	0
Unrealized Losses	(3)	(3)
Fair Value	33	33
Auction rate securities | Level 3 | Investments
Schedule of Investments [Line Items]
Fair Value	0	0
Auction rate securities | Level 3 | Other Assets
Schedule of Investments [Line Items]
Fair Value	$ 33	$ 33