Financial Instruments - Cash, Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Millions |
Jul. 01, 2023 |
Sep. 24, 2022 |
| Marketable Securities [Line Items] |
|
|
| Cash, Cash Equivalents and Marketable Securities, Adjusted Cost |
$ 177,778
|
$ 183,061
|
| Cash Equivalents and Marketable Securities, Unrealized Gains |
60
|
11
|
| Cash Equivalents and Marketable Securities, Unrealized Losses |
(11,295)
|
(13,963)
|
| Cash, Cash Equivalents and Marketable Securities, Fair Value |
166,543
|
169,109
|
| Cash and Cash Equivalents |
28,408
|
23,646
|
| Current Marketable Securities |
34,074
|
24,658
|
| Non-Current Marketable Securities |
104,061
|
120,805
|
| Total marketable securities that were restricted from general use |
14,100
|
12,700
|
| Level 1 |
|
|
| Marketable Securities [Line Items] |
|
|
| Marketable Securities, Equity, Adjusted Cost |
1,474
|
3,203
|
| Marketable Securities, Equity, Unrealized Gains |
15
|
0
|
| Marketable Securities, Equity, Unrealized Losses |
(19)
|
(47)
|
| Marketable Securities, Equity, Fair Value |
1,470
|
3,156
|
| Cash and Cash Equivalents |
1,108
|
2,929
|
| Current Marketable Securities |
362
|
227
|
| Non-Current Marketable Securities |
0
|
0
|
| Level 2 |
|
|
| Marketable Securities [Line Items] |
|
|
| Marketable Securities, Debt, Adjusted Cost |
150,967
|
161,312
|
| Marketable Securities, Debt, Unrealized Gains |
45
|
11
|
| Marketable Securities, Debt, Unrealized Losses |
(11,276)
|
(13,916)
|
| Marketable Securities, Debt, Fair Value |
139,736
|
147,407
|
| Cash and Cash Equivalents |
1,963
|
2,171
|
| Current Marketable Securities |
33,712
|
24,431
|
| Non-Current Marketable Securities |
104,061
|
120,805
|
| Cash |
|
|
| Marketable Securities [Line Items] |
|
|
| Cash |
25,337
|
18,546
|
| Cash and Cash Equivalents |
25,337
|
18,546
|
| Current Marketable Securities |
0
|
0
|
| Non-Current Marketable Securities |
0
|
0
|
| Money market funds | Level 1 |
|
|
| Marketable Securities [Line Items] |
|
|
| Marketable Securities, Equity, Adjusted Cost |
1,108
|
2,929
|
| Marketable Securities, Equity, Unrealized Gains |
0
|
0
|
| Marketable Securities, Equity, Unrealized Losses |
0
|
0
|
| Marketable Securities, Equity, Fair Value |
1,108
|
2,929
|
| Cash and Cash Equivalents |
1,108
|
2,929
|
| Current Marketable Securities |
0
|
0
|
| Non-Current Marketable Securities |
0
|
0
|
| Mutual funds | Level 1 |
|
|
| Marketable Securities [Line Items] |
|
|
| Marketable Securities, Equity, Adjusted Cost |
366
|
274
|
| Marketable Securities, Equity, Unrealized Gains |
15
|
0
|
| Marketable Securities, Equity, Unrealized Losses |
(19)
|
(47)
|
| Marketable Securities, Equity, Fair Value |
362
|
227
|
| Cash and Cash Equivalents |
0
|
0
|
| Current Marketable Securities |
362
|
227
|
| Non-Current Marketable Securities |
0
|
0
|
| U.S. Treasury securities | Level 2 |
|
|
| Marketable Securities [Line Items] |
|
|
| Marketable Securities, Debt, Adjusted Cost |
22,274
|
25,134
|
| Marketable Securities, Debt, Unrealized Gains |
0
|
0
|
| Marketable Securities, Debt, Unrealized Losses |
(1,354)
|
(1,725)
|
| Marketable Securities, Debt, Fair Value |
20,920
|
23,409
|
| Cash and Cash Equivalents |
0
|
338
|
| Current Marketable Securities |
8,076
|
5,091
|
| Non-Current Marketable Securities |
12,844
|
17,980
|
| U.S. agency securities | Level 2 |
|
|
| Marketable Securities [Line Items] |
|
|
| Marketable Securities, Debt, Adjusted Cost |
5,709
|
5,823
|
| Marketable Securities, Debt, Unrealized Gains |
0
|
0
|
| Marketable Securities, Debt, Unrealized Losses |
(594)
|
(655)
|
| Marketable Securities, Debt, Fair Value |
5,115
|
5,168
|
| Cash and Cash Equivalents |
3
|
0
|
| Current Marketable Securities |
272
|
240
|
| Non-Current Marketable Securities |
4,840
|
4,928
|
| Non-U.S. government securities | Level 2 |
|
|
| Marketable Securities [Line Items] |
|
|
| Marketable Securities, Debt, Adjusted Cost |
17,588
|
16,948
|
| Marketable Securities, Debt, Unrealized Gains |
19
|
2
|
| Marketable Securities, Debt, Unrealized Losses |
(927)
|
(1,201)
|
| Marketable Securities, Debt, Fair Value |
16,680
|
15,749
|
| Cash and Cash Equivalents |
0
|
0
|
| Current Marketable Securities |
11,262
|
8,806
|
| Non-Current Marketable Securities |
5,418
|
6,943
|
| Certificates of deposit and time deposits | Level 2 |
|
|
| Marketable Securities [Line Items] |
|
|
| Marketable Securities, Debt, Adjusted Cost |
2,315
|
2,067
|
| Marketable Securities, Debt, Unrealized Gains |
0
|
0
|
| Marketable Securities, Debt, Unrealized Losses |
0
|
0
|
| Marketable Securities, Debt, Fair Value |
2,315
|
2,067
|
| Cash and Cash Equivalents |
1,960
|
1,805
|
| Current Marketable Securities |
355
|
262
|
| Non-Current Marketable Securities |
0
|
0
|
| Commercial paper | Level 2 |
|
|
| Marketable Securities [Line Items] |
|
|
| Marketable Securities, Debt, Adjusted Cost |
364
|
718
|
| Marketable Securities, Debt, Unrealized Gains |
0
|
0
|
| Marketable Securities, Debt, Unrealized Losses |
0
|
0
|
| Marketable Securities, Debt, Fair Value |
364
|
718
|
| Cash and Cash Equivalents |
0
|
28
|
| Current Marketable Securities |
364
|
690
|
| Non-Current Marketable Securities |
0
|
0
|
| Corporate debt securities | Level 2 |
|
|
| Marketable Securities [Line Items] |
|
|
| Marketable Securities, Debt, Adjusted Cost |
79,621
|
87,148
|
| Marketable Securities, Debt, Unrealized Gains |
22
|
9
|
| Marketable Securities, Debt, Unrealized Losses |
(6,079)
|
(7,707)
|
| Marketable Securities, Debt, Fair Value |
73,564
|
79,450
|
| Cash and Cash Equivalents |
0
|
0
|
| Current Marketable Securities |
13,005
|
9,023
|
| Non-Current Marketable Securities |
60,559
|
70,427
|
| Municipal securities | Level 2 |
|
|
| Marketable Securities [Line Items] |
|
|
| Marketable Securities, Debt, Adjusted Cost |
713
|
921
|
| Marketable Securities, Debt, Unrealized Gains |
0
|
0
|
| Marketable Securities, Debt, Unrealized Losses |
(23)
|
(35)
|
| Marketable Securities, Debt, Fair Value |
690
|
886
|
| Cash and Cash Equivalents |
0
|
0
|
| Current Marketable Securities |
213
|
266
|
| Non-Current Marketable Securities |
477
|
620
|
| Mortgage- and asset-backed securities | Level 2 |
|
|
| Marketable Securities [Line Items] |
|
|
| Marketable Securities, Debt, Adjusted Cost |
22,383
|
22,553
|
| Marketable Securities, Debt, Unrealized Gains |
4
|
0
|
| Marketable Securities, Debt, Unrealized Losses |
(2,299)
|
(2,593)
|
| Marketable Securities, Debt, Fair Value |
20,088
|
19,960
|
| Cash and Cash Equivalents |
0
|
0
|
| Current Marketable Securities |
165
|
53
|
| Non-Current Marketable Securities |
$ 19,923
|
$ 19,907
|