Goodwill and Other Intangible Assets, net: (Changes in Carrying Amount of Intangible Assets) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Total Intangibles, net
Total Intangible, net, beginning balance		$ 9,864	$ 11,327	$ 9,864
Amortization & Impairment			(1,003)	(862)
Acquisitions & Divestitures			(69)	24
Currency & Other			629	2,301
Total Intangible, net, ending balance			10,884	11,327
Non-amortizable intangible assets
Non-amortizable intangible assets, beginning balance		4,543	4,446	4,543
Amortization & Impairment	$ 0	(27)	0	(27)
Acquisitions & Divestitures			25	211
Currency & Other			305	(281)
Non-amortizable intangible assets, ending balance			4,776	4,446
Amortizable intangible assets:
Amortizable intangible assets, beginning balance		5,321	6,881	5,321
Amortization & Impairment			(1,003)	(835)
Acquisitions & Divestitures			(94)	(187)
Currency & Other			324	2,582
Amortizable intangible assets, ending balance			6,108	6,881
Gross book value
Amortizable intangible assets, gross book value, beginning balance		6,884	8,943	6,884
Acquisitions & Divestitures			(128)	(454)
Currency & Other			420	2,513
Amortizable intangible assets, gross book value, ending balance			9,235	8,943
Accumulated amortization
Amortizable intangible assets, accumulated amortization, beginning balance		$ (1,563)	(2,062)	(1,563)
Amortization & Impairment			(1,003)	(835)
Acquisitions & Divestitures			34	267
Currency & Other			(96)	69
Amortizable intangible assets, accumulated amortization, ending balance			$ (3,127)	$ (2,062)