Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 4,516	$ 3,378	$ 10,288	$ 6,754
Changes in other comprehensive income, net of tax:
Net unrealized holding gains (losses) on available-for-sale investments	399	412	408	357
Deferred tax asset valuation allowance	0	(2)	0	(5)
Net unrealized holding gains (losses) on derivatives	19	61	350	274
Net prior service (costs) credits	2	1	(8)	4
Actuarial valuation	11	10	241	(289)
Net foreign currency translation adjustment	5	(2)	513	(1)
Other comprehensive income (loss)	436	480	1,504	340
Total comprehensive income	$ 4,952	$ 3,858	$ 11,792	$ 7,094