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Segment, Geographic and Other Revenue Information - Revenues By Geographic Area (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 02, 2022 | Oct. 03, 2021 | Oct. 02, 2022 | Oct. 03, 2021
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues | [1] | $ 22,638 | $ 24,035 | $ 76,040 | $ 57,450
Percentage change in revenue |  | (6.00%) |  | 32.00% |
U.S. [Member] |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues |  | $ 13,851 | 7,020 | $ 33,991 | 22,066
Percentage change in revenue |  | 97.00% |  | 54.00% |
Developed Europe [Member] |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues |  | $ 3,136 | 6,221 | $ 14,705 | 13,836
Percentage change in revenue |  | (50.00%) |  | 6.00% |
Developed Rest Of World [Member] |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues |  | $ 2,351 | 4,498 | $ 10,671 | 8,617
Percentage change in revenue |  | (48.00%) |  | 24.00% |
Emerging Markets [Member] |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Revenues |  | $ 3,300 | $ 6,296 | $ 16,673 | $ 12,930
Percentage change in revenue |  | (48.00%) |  | 29.00% |
[1] | On December 31, 2021, we completed the sale of our Meridian subsidiary. Prior to its sale, Meridian was managed as part of the former Hospital therapeutic area (see footnote (b) below). Beginning in the fourth quarter of 2021, the financial results of Meridian are reflected as discontinued operations. See Note 1A.

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