CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (PARENTHETICAL) - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Apr. 01, 2018	Apr. 02, 2017	Feb. 03, 2017
TCJA impact	[1],[2]	$ 68	$ 0
Disposed of by Sale [Member] | ICU Medical [Member] | HIS [Member]
Number of shares received in disposition				3.2
Value of shares received from disposition				$ 428
Promissory note				$ 75

[1] Amounts may not add due to rounding.

[2] As a result of the enactment of the TCJA in December 2017, Pfizer’s 2018 Provision for taxes on income was favorably impacted by approximately $68 million, primarily related to certain tax initiatives associated with the lower U.S. tax rate as a result of the TCJA.