Consolidated Statements of Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings/(Deficit)	Accumulated Other Comprehensive Income/(Losses)	Treasury Stock, at Cost	Noncontrolling Interest
Beginning balance at Jan. 03, 2016	$ 57,871	$ 12	$ 58,298	$ 0	$ (616)	$ (31)	$ 208
Total Shareholders' Equity [Roll forward]
Net income/(loss) excluding redeemable noncontrolling interest	3,606			3,596			10
Other comprehensive income/(loss) excluding redeemable noncontrolling interest	(1,007)				(1,013)		6
Other comprehensive income/(loss)	(1,007)
Dividends declared-Series A Preferred Stock ($2,250.00 per share)	(180)			(180)
Dividends declared-common stock ($2.50 per share)	(2,862)			(2,862)
Dividends declared-noncontrolling interest ($52.75 per share)	(8)						(8)
Exercise of stock options, issuance of other stock awards, and other	40		218	(2)		(176)
Ending balance at Dec. 31, 2016	$ 57,460	12	58,516	552	(1,629)	(207)	216
Dividends Declared, Per Share [Abstract]
Common stock dividends declared (in dollars per share)	$ 2.35
Preferred stock dividends declared (in dollars per share)	2,250.00
Noncontrolling Interest dividends declared (in dollars per share)	$ 90.82
Net income/(loss) excluding redeemable noncontrolling interest	$ 881			883			(2)
Other comprehensive income/(loss)	174				176		(2)
Dividends declared-common stock ($2.50 per share)	(731)			(731)
Exercise of stock options, issuance of other stock awards, and other	34		49	1		(16)
Ending balance at Apr. 01, 2017	$ 57,818	12	58,565	705	(1,453)	(223)	212
Dividends Declared, Per Share [Abstract]
Common stock dividends declared (in dollars per share)	$ 0.60
Beginning balance at Dec. 31, 2016	$ 57,460	12	58,516	552	(1,629)	(207)	216
Total Shareholders' Equity [Roll forward]
Net income/(loss) excluding redeemable noncontrolling interest	2,038			2,039			(1)
Other comprehensive income/(loss)	319				321		(2)
Dividends declared-common stock ($2.50 per share)	(1,463)			(1,463)
Exercise of stock options, issuance of other stock awards, and other	66		81	1		(16)
Ending balance at Jul. 01, 2017	$ 58,420	12	58,597	1,129	(1,308)	(223)	213
Dividends Declared, Per Share [Abstract]
Common stock dividends declared (in dollars per share)	$ 1.20
Beginning balance at Dec. 31, 2016	$ 57,460	12	58,516	552	(1,629)	(207)	216
Total Shareholders' Equity [Roll forward]
Net income/(loss) excluding redeemable noncontrolling interest	2,950			2,952			(2)
Other comprehensive income/(loss)	540				542		(2)
Dividends declared-common stock ($2.50 per share)	(2,225)			(2,225)
Exercise of stock options, issuance of other stock awards, and other	87		102	1		(16)
Ending balance at Sep. 30, 2017	$ 58,812	12	58,618	1,280	(1,087)	(223)	212
Dividends Declared, Per Share [Abstract]
Common stock dividends declared (in dollars per share)	$ 1.825
Beginning balance at Dec. 31, 2016	$ 57,460	12	58,516	552	(1,629)	(207)	216
Total Shareholders' Equity [Roll forward]
Net income/(loss) excluding redeemable noncontrolling interest	10,936			10,941			(5)
Other comprehensive income/(loss)	581				575		6
Dividends declared-common stock ($2.50 per share)	(2,988)			(2,988)
Dividends declared-noncontrolling interest ($52.75 per share)	(10)						(10)
Exercise of stock options, issuance of other stock awards, and other	91		118	(10)		(17)
Ending balance at Dec. 30, 2017	$ 66,070	12	58,634	8,495	(1,054)	(224)	207
Dividends Declared, Per Share [Abstract]
Common stock dividends declared (in dollars per share)	$ 2.45
Preferred stock dividends declared (in dollars per share)	0.00
Noncontrolling Interest dividends declared (in dollars per share)	$ 52.75
Beginning balance at Apr. 01, 2017	$ 57,818	12	58,565	705	(1,453)	(223)	212
Total Shareholders' Equity [Roll forward]
Other comprehensive income/(loss)	145
Ending balance at Jul. 01, 2017	58,420	12	58,597	1,129	(1,308)	(223)	213
Total Shareholders' Equity [Roll forward]
Other comprehensive income/(loss)	221
Ending balance at Sep. 30, 2017	58,812	12	58,618	1,280	(1,087)	(223)	212
Total Shareholders' Equity [Roll forward]
Other comprehensive income/(loss)	41
Ending balance at Dec. 30, 2017	66,070	12	58,634	8,495	(1,054)	(224)	207
Total Shareholders' Equity [Roll forward]
Net income/(loss) excluding redeemable noncontrolling interest	1,008			1,003			5
Other comprehensive income/(loss) excluding redeemable noncontrolling interest	74				79		(5)
Other comprehensive income/(loss)	74
Dividends declared-common stock ($2.50 per share)	(762)			(762)
Cumulative effect of accounting standards adopted in the period	(95)			(95)
Exercise of stock options, issuance of other stock awards, and other	(1)		22	(7)		(16)
Ending balance at Mar. 31, 2018	$ 66,294	12	58,656	8,634	(975)	(240)	207
Dividends Declared, Per Share [Abstract]
Common stock dividends declared (in dollars per share)	$ 0.625
Beginning balance at Dec. 30, 2017	$ 66,070	12	58,634	8,495	(1,054)	(224)	207
Total Shareholders' Equity [Roll forward]
Net income/(loss) excluding redeemable noncontrolling interest	1,762			1,757			5
Other comprehensive income/(loss) excluding redeemable noncontrolling interest	(508)				(497)		(11)
Other comprehensive income/(loss)	(508)
Dividends declared-common stock ($2.50 per share)	(1,524)			(1,524)
Cumulative effect of accounting standards adopted in the period	(95)			(95)
Exercise of stock options, issuance of other stock awards, and other	3		55	(9)		(30)	(13)
Ending balance at Jun. 30, 2018	$ 65,708	12	58,689	8,624	(1,551)	(254)	188
Dividends Declared, Per Share [Abstract]
Common stock dividends declared (in dollars per share)	$ 1.25
Beginning balance at Dec. 30, 2017	$ 66,070	12	58,634	8,495	(1,054)	(224)	207
Total Shareholders' Equity [Roll forward]
Net income/(loss) excluding redeemable noncontrolling interest	2,383			2,376			7
Other comprehensive income/(loss) excluding redeemable noncontrolling interest	(683)				(670)		(13)
Other comprehensive income/(loss)	(683)
Dividends declared-common stock ($2.50 per share)	(2,286)			(2,286)
Cumulative effect of accounting standards adopted in the period	(97)			(97)
Exercise of stock options, issuance of other stock awards, and other	20		82	(9)		(40)	(13)
Ending balance at Sep. 29, 2018	$ 65,407	12	58,716	8,479	(1,724)	(264)	188
Dividends Declared, Per Share [Abstract]
Common stock dividends declared (in dollars per share)	$ 1.875
Beginning balance at Dec. 30, 2017	$ 66,070	12	58,634	8,495	(1,054)	(224)	207
Total Shareholders' Equity [Roll forward]
Net income/(loss) excluding redeemable noncontrolling interest	(10,242)			(10,192)			(50)
Other comprehensive income/(loss)	(903)				(889)		(14)
Dividends declared-common stock ($2.50 per share)	(3,048)			(3,048)
Dividends declared-noncontrolling interest ($52.75 per share)	(12)						(12)
Cumulative effect of accounting standards adopted in the period	(97)			(97)
Exercise of stock options, issuance of other stock awards, and other	7		89	(11)		(58)	(13)
Ending balance at Dec. 29, 2018	$ 51,775	12	58,723	(4,853)	(1,943)	(282)	118
Dividends Declared, Per Share [Abstract]
Common stock dividends declared (in dollars per share)	$ 2.50
Preferred stock dividends declared (in dollars per share)	0.00
Noncontrolling Interest dividends declared (in dollars per share)	$ 174.76
Beginning balance at Mar. 31, 2018	$ 66,294	12	58,656	8,634	(975)	(240)	207
Total Shareholders' Equity [Roll forward]
Other comprehensive income/(loss)	(582)
Ending balance at Jun. 30, 2018	65,708	12	58,689	8,624	(1,551)	(254)	188
Total Shareholders' Equity [Roll forward]
Other comprehensive income/(loss)	(175)
Ending balance at Sep. 29, 2018	65,407	12	58,716	8,479	(1,724)	(264)	188
Total Shareholders' Equity [Roll forward]
Other comprehensive income/(loss)	(220)
Ending balance at Dec. 29, 2018	$ 51,775	$ 12	$ 58,723	$ (4,853)	$ (1,943)	$ (282)	$ 118