Income Taxes (Details) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($) country_and_territory	Dec. 31, 2015 USD ($)		Dec. 31, 2014 USD ($)
Components of income before income taxes [Abstract]
United States		$ 1,191	$ 1,118		$ 1,094
International		2,547	1,645		2,439
Total Income before income taxes		3,738	2,763		3,533
Provision for income taxes [Abstract]
United States		395	376		348
International		757	839		846
Total Provision for income taxes		1,152	1,215		1,194
Income tax provision reconciliation [Abstract]
Goodwill and intangible assets		18	3		(40)
Property, plant and equipment		(3)	(25)		(13)
Pension and other retiree benefits		0	36		19
Stock-based compensation		15	11		11
Tax loss and tax credit carryforwards		5	(4)		5
Other, net		(106)	98		(19)
Total deferred tax benefit (provision)		$ (71)	$ 119		$ (37)
Effective Tax Rate Reconciliation [Abstract]
Tax at United States statutory rate		35.00%	35.00%		35.00%
State income taxes, net of federal benefit		0.50%	1.00%		0.70%
Earnings taxed at other than United States statutory rate		(2.70%)	(3.60%)		(2.30%)
(Benefit) charge for previously disclosed tax matters		(0.80%)	0.50%		1.90%
(Benefit) on Venezuela remeasurement		(5.60%)	0.00%		0.00%
Tax charge on incremental repatriation of foreign earnings		5.60%	0.00%		0.00%
Venezuela accounting change		0.00%	12.80%		0.00%
Other, net		(1.20%)	(1.70%)		(1.50%)
Effective tax rate		30.80%	44.00%		33.80%
Deferred tax liabilities:
Goodwill and intangible assets		$ (451)	$ (458)
Property, plant and equipment		(380)	(380)
Other		(202)	(150)
Deferred tax liabilities, total		(1,033)	(988)
Deferred tax assets:
Pension and other retiree benefits		599	541
Tax loss and tax credit carryforwards		34	30
Accrued liabilities		246	235
Stock-based compensation		127	123
Other		82	151
Deferred tax assets, total		1,088	1,080
Net deferred income taxes		55	92
Deferred taxes included within:
Other current assets (1)		0	258
Deferred tax assets, noncurrent		301	67	[1]
Deferred tax liabilities, noncurrent		(246)	(233)	[1]
Net deferred income taxes		55	92
Undistributed earnings of foreign subsidiaries		$ 3,400
Minimum number of countries and territories serving consumers (more than) (in countries and territories) | country_and_territory		200
Income tax expense (benefit) allocated directly to equity		$ (85)	78		$ (251)
Unrecognized tax benefits:
Balance, January 1	$ 186	186	218		199
Increases as a result of tax positions taken during the current year		9	20		23
Decreases of tax positions taken during prior years		(45)	(25)		(11)
Increases of tax positions taken during prior years		71	61		32
Decreases as a result of settlements with taxing authorities and the expiration of statutes of limitations		(18)	(79)		(10)
Effect of foreign currency rate movements		(2)	(9)		(15)
Balance, December 31		201	186		218
Unrecognized tax benefits that would impact effective tax rate		180
Cash outflow from unrecognized tax benefit that would impact effective tax rate		175
Interest (income) expense recognized related to unrecognized tax benefits		2	2		4
Accrued interest related to unrecognized tax benefits		$ 17	$ 16		$ 24
Minimum
Income Taxes [Line Items]
Statue of limitations on foreign jurisdictions for tax audits		3 years
Maximum
Income Taxes [Line Items]
Statue of limitations on foreign jurisdictions for tax audits		6 years
CP Venezuela
Income Taxes [Line Items]
Income Tax Benefit, Principally Related to Changes in Venezuela Foreign Currency Regime	210
Foreign earnings repatriated		$ 1,500
Tax Charge Resulting from Repatriation of Earnings of Foreign Subsidiaries	$ 210

[1] Prior year amounts have been reclassified to conform to the current year presentation of debt issuance costs required by Accounting Standards Update (“ASU”) No. 2015-03 “Simplifying the Presentation of Debt Issuance Costs.” See Note 2, Summary of Significant Accounting Policies to the Consolidated Financial Statements for additional information.