Financial Instruments - Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Millions		3 Months Ended
		Mar. 30, 2025	Mar. 31, 2024	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities with readily determinable fair values		$ 1,255		$ 7,848
Total other noncurrent assets		9,845		9,817
Total assets		208,028		213,396
Total liabilities		1,314		1,366
Gain on partial sale of investment	[1]	6,311	$ 3,491
Haleon [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities with readily determinable fair values				6,500
Gain on partial sale of investment		6,300
Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current derivative assets		550		1,056
Noncurrent derivative assets		292		460
Insurance contracts	[2]	849		875
Total other noncurrent assets		1,141		1,335
Total assets		17,929		22,366
Current derivative liabilities		210		245
Noncurrent derivative liabilities		1,104		1,121
Total liabilities		1,314		1,366
Long-term equity securities held in trust		132		133
Recurring [Member] | Interest rate contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current derivative assets		2		0
Noncurrent derivative assets		36		13
Current derivative liabilities		10		28
Noncurrent derivative liabilities		278		397
Recurring [Member] | Foreign exchange contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current derivative assets		548		1,056
Noncurrent derivative assets		256		447
Current derivative liabilities		200		217
Noncurrent derivative liabilities		826		723
Short-term investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities with readily determinable fair values	[3]	1,255		7,848
Available-for-sale debt securities		13,952		10,881
Total short-term investments		15,207		18,729
Long-term Investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities with readily determinable fair values	[4]	1,031		1,246
Total long-term investments		1,031		1,246
Level 1 [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current derivative assets		0		0
Noncurrent derivative assets		0		0
Insurance contracts	[2]	0		0
Total other noncurrent assets		0		0
Total assets		1,031		7,701
Current derivative liabilities		0		0
Noncurrent derivative liabilities		0		0
Total liabilities		0		0
Level 1 [Member] | Recurring [Member] | Interest rate contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current derivative assets		0		0
Noncurrent derivative assets		0		0
Current derivative liabilities		0		0
Noncurrent derivative liabilities		0		0
Level 1 [Member] | Recurring [Member] | Foreign exchange contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current derivative assets		0		0
Noncurrent derivative assets		0		0
Current derivative liabilities		0		0
Noncurrent derivative liabilities		0		0
Level 1 [Member] | Short-term investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities with readily determinable fair values	[3]	0		6,456
Available-for-sale debt securities		0		0
Total short-term investments		0		6,456
Level 1 [Member] | Long-term Investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities with readily determinable fair values	[4]	1,031		1,246
Total long-term investments		1,031		1,246
Level 2 [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current derivative assets		550		1,056
Noncurrent derivative assets		292		460
Insurance contracts	[2]	849		875
Total other noncurrent assets		1,141		1,335
Total assets		16,899		14,665
Current derivative liabilities		210		245
Noncurrent derivative liabilities		1,104		1,121
Total liabilities		1,314		1,366
Level 2 [Member] | Recurring [Member] | Interest rate contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current derivative assets		2		0
Noncurrent derivative assets		36		13
Current derivative liabilities		10		28
Noncurrent derivative liabilities		278		397
Level 2 [Member] | Recurring [Member] | Foreign exchange contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current derivative assets		548		1,056
Noncurrent derivative assets		256		447
Current derivative liabilities		200		217
Noncurrent derivative liabilities		826		723
Level 2 [Member] | Short-term investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities with readily determinable fair values	[3]	1,255		1,392
Available-for-sale debt securities		13,952		10,881
Total short-term investments		15,207		12,273
Level 2 [Member] | Long-term Investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities with readily determinable fair values	[4]	0		0
Total long-term investments		0		0
Government and agency—non-U.S. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities		8,995		6,855
Government and agency—non-U.S. [Member] | Short-term investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities		8,995		6,855
Government and agency—non-U.S. [Member] | Level 1 [Member] | Short-term investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities		0		0
Government and agency—non-U.S. [Member] | Level 2 [Member] | Short-term investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities		8,995		6,855
Government and agency—U.S. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities		3,494		2,853
Government and agency—U.S. [Member] | Short-term investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities		3,494		2,853
Government and agency—U.S. [Member] | Level 1 [Member] | Short-term investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities		0		0
Government and agency—U.S. [Member] | Level 2 [Member] | Short-term investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities		3,494		2,853
Corporate and other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities		1,464		1,173
Corporate and other [Member] | Short-term investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities		1,464		1,173
Corporate and other [Member] | Level 1 [Member] | Short-term investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities		0		0
Corporate and other [Member] | Level 2 [Member] | Short-term investments [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities		$ 1,464		$ 1,173

[1] See Note 7A.

[2] Includes life insurance policies held in restricted trusts for U.S. non-qualified employee benefit plans. The underlying invested assets in these contracts are marketable securities, which are carried at fair value, with changes in fair value recognized in Other (income)/deductions—net (see Note 4).

[3] Includes money market funds primarily invested in U.S. Treasury and government debt. As of December 31, 2024, short-term equity securities included our investment in Haleon of $6.5 billion. In the first quarter of 2025, we sold the remaining portion of our investment in Haleon for $6.3 billion.

[4] Long-term equity securities of $132 million as of March 30, 2025 and $133 million as of December 31, 2024 were held in restricted trusts for U.S. non-qualified employee benefit plans.