Significant business acquisitions (Tables)

12 Months Ended

Dec. 31, 2017

Business Combinations [Abstract]

Schedule of estimated fair values of assets acquired and liabilities assumed

The fair values of identified assets acquired and liabilities assumed and residual goodwill at their respective acquisition dates are summarized as follows (in millions).

	PCC		Duracell
Cash and cash equivalents	$	250	$	1,807
Inventories		3,430		319
Property, plant and equipment		2,765		359
Goodwill		16,011		866
Other intangible assets		23,527		1,550
Other assets		1,916		242
Assets acquired	$	47,899	$	5,143
Accounts payable, accruals and other liabilities	$	2,442	$	410
Notes payable and other borrowings		5,251		—
Income taxes, principally deferred		7,548		494
Liabilities assumed	$	15,241	$	904
Net assets	$	32,658	$	4,239