FAIR VALUE MEASUREMENTS - Summary of Assets and Liabilities Recorded at Fair Value (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Assets
Available-for-sale debt securities	$ 3,044
Fair value, recurring
Assets
Total	11,616	$ 10,533
Liabilities:
Total	757	552
Fair value, recurring \| MYR
Liabilities:
Contingent consideration liability	278	206
Level 1 \| Fair value, recurring
Assets
Total	9,741	10,405
Liabilities:
Total	406	343
Level 1 \| Fair value, recurring \| MYR
Liabilities:
Contingent consideration liability	0	0
Level 2 \| Fair value, recurring
Assets
Total	1,875	128
Liabilities:
Total	72	3
Level 2 \| Fair value, recurring \| MYR
Liabilities:
Contingent consideration liability	0	0
Level 3 \| Fair value, recurring
Assets
Total	0	0
Liabilities:
Total	278	206
Level 3 \| Fair value, recurring \| MYR
Liabilities:
Contingent consideration liability	278	206
U.S. treasury securities
Assets
Available-for-sale debt securities	1,224
U.S. treasury securities \| Fair value, recurring
Assets
Available-for-sale debt securities	1,224	0
U.S. treasury securities \| Level 1 \| Fair value, recurring
Assets
Available-for-sale debt securities	1,224	0
U.S. treasury securities \| Level 2 \| Fair value, recurring
Assets
Available-for-sale debt securities	0	0
U.S. treasury securities \| Level 3 \| Fair value, recurring
Assets
Available-for-sale debt securities	0	0
U.S. government agencies securities
Assets
Available-for-sale debt securities	15
U.S. government agencies securities \| Fair value, recurring
Assets
Available-for-sale debt securities	15	0
U.S. government agencies securities \| Level 1 \| Fair value, recurring
Assets
Available-for-sale debt securities	0	0
U.S. government agencies securities \| Level 2 \| Fair value, recurring
Assets
Available-for-sale debt securities	15	0
U.S. government agencies securities \| Level 3 \| Fair value, recurring
Assets
Available-for-sale debt securities	0	0
Corporate debt securities
Assets
Available-for-sale debt securities	1,398
Corporate debt securities \| Fair value, recurring
Assets
Available-for-sale debt securities	1,398	0
Corporate debt securities \| Level 1 \| Fair value, recurring
Assets
Available-for-sale debt securities	0	0
Corporate debt securities \| Level 2 \| Fair value, recurring
Assets
Available-for-sale debt securities	1,398	0
Corporate debt securities \| Level 3 \| Fair value, recurring
Assets
Available-for-sale debt securities	0	0
Residential mortgage and asset-backed securities
Assets
Available-for-sale debt securities	407
Residential mortgage and asset-backed securities \| Fair value, recurring
Assets
Available-for-sale debt securities	407	0
Residential mortgage and asset-backed securities \| Level 1 \| Fair value, recurring
Assets
Available-for-sale debt securities	0	0
Residential mortgage and asset-backed securities \| Level 2 \| Fair value, recurring
Assets
Available-for-sale debt securities	407	0
Residential mortgage and asset-backed securities \| Level 3 \| Fair value, recurring
Assets
Available-for-sale debt securities	0	0
Money market funds \| Fair value, recurring
Assets
Marketable equity securities	6,150	8,502
Money market funds \| Level 1 \| Fair value, recurring
Assets
Marketable equity securities	6,150	8,502
Money market funds \| Level 2 \| Fair value, recurring
Assets
Marketable equity securities	0	0
Money market funds \| Level 3 \| Fair value, recurring
Assets
Marketable equity securities	0	0
Publicly traded equity securities \| Fair value, recurring
Assets
Marketable equity securities	1,961	1,561
Publicly traded equity securities \| Level 1 \| Fair value, recurring
Assets
Marketable equity securities	1,961	1,561
Publicly traded equity securities \| Level 2 \| Fair value, recurring
Assets
Marketable equity securities	0	0
Publicly traded equity securities \| Level 3 \| Fair value, recurring
Assets
Marketable equity securities	0	0
Deferred compensation plan \| Fair value, recurring
Assets
Marketable equity securities	406	343
Liabilities:
Deferred compensation plan	406	343
Deferred compensation plan \| Level 1 \| Fair value, recurring
Assets
Marketable equity securities	406	343
Liabilities:
Deferred compensation plan	406	343
Deferred compensation plan \| Level 2 \| Fair value, recurring
Assets
Marketable equity securities	0	0
Liabilities:
Deferred compensation plan	0	0
Deferred compensation plan \| Level 3 \| Fair value, recurring
Assets
Marketable equity securities	0	0
Liabilities:
Deferred compensation plan	0	0
Foreign currency derivative contracts \| Fair value, recurring
Assets
Foreign currency derivative contracts	56	128
Liabilities:
Foreign currency derivative contracts	72	3
Foreign currency derivative contracts \| Level 1 \| Fair value, recurring
Assets
Foreign currency derivative contracts	0	0
Liabilities:
Foreign currency derivative contracts	0	0
Foreign currency derivative contracts \| Level 2 \| Fair value, recurring
Assets
Foreign currency derivative contracts	56	128
Liabilities:
Foreign currency derivative contracts	72	3
Foreign currency derivative contracts \| Level 3 \| Fair value, recurring
Assets
Foreign currency derivative contracts	0	0
Liabilities:
Foreign currency derivative contracts	$ 0	$ 0

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