CONDENSED CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) - USD ($) $ in Millions		Oct. 01, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	[1]	$ 590	$ 609
Property, plant and equipment, accumulated depreciation	[1]	15,906	14,807
Current portion of long-term debt	[1]	$ 3,072	$ 4,225

[1] Amounts may not add due to rounding.