Period remaining until debt instruments mature.

No definition available.

Name:	mdlz_DebtInstrumentRemainingMaturity
Namespace Prefix:	mdlz_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Proceeds from Issuance of Long-term Debt, Net of Debt Issuance Costs

+ References

No definition available.

+ Details

Name:	mdlz_ProceedsfromIssuanceofLongtermDebtNetofDebtIssuanceCosts
Namespace Prefix:	mdlz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of minimum total shareholders' equity, excluding accumulated other comprehensive earnings / (losses) and the cumulative effects of an changes in accounting principles, that must be maintained in order to maintain in compliance of the debt covenant.

+ References

No definition available.

+ Details

Name:	mdlz_RevolvingCreditFacilityDebtCovenant
Namespace Prefix:	mdlz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Total shareholders' equity, excluding accumulated other comprehensive earnings / (losses)

+ References

No definition available.

+ Details

Name:	mdlz_ShareholdersEquityExcludingAccumulatedOtherComprehensiveEarningsLosses
Namespace Prefix:	mdlz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

+ Details

Name:	us-gaap_DebtInstrumentFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRepurchasedFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

+ Details

Name:	us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=114001942&loc=d3e12355-112629

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114001942&loc=d3e12317-112629

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

+ Details

Name:	us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_ProceedsFromLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_RepaymentsOfLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

+ Details

Name:	us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(1))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_ShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_SevenPointTwentyFivePercentNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_ThreePointZeroFixedrateNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_ThreePointSixTwentyFiveFixedrateNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_FourPointOneTwentyFiveFixedrateNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_FourPointSixTwentyFiveFixedrateNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_SixPointFiveZeroZeroPercentNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_FivePointThreeSeventyFivePercentNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_SixPointFiveZeroZeroPercentNotesOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_SixPointEightSeventyFivePercentNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_SixPointOneTwentyFivePercentNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_SixPointEightSeventyFivePercentNotesOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_SevenPointZeroZeroPercentNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_ThreePointTwoFiveZeroCanadiandollarDenominatedNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_SixPointOneTwentyFivePercentNotesOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_ZeroPointZeroEightZeroPercentFrancNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=mdlz_RevolvingCreditFacilityOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=mdlz_InternationalSubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_CommercialPaperMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdlz_SeniorUnsecuredCreditFacility364DaysTermMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt and Borrowing Arrangements - Additional Information (Details) £ in Millions, SFr in Millions														3 Months Ended		9 Months Ended		12 Months Ended
	Aug. 23, 2018 USD ($)	Jul. 18, 2018 GBP (£)	Jul. 18, 2018 USD ($)	May 07, 2018 USD ($)	Apr. 17, 2018 USD ($)	Apr. 02, 2018 USD ($)	Mar. 02, 2018 USD ($)	Mar. 02, 2018 CAD ($)	Feb. 28, 2018 USD ($)	Feb. 01, 2018 USD ($)	Jan. 26, 2018 CHF (SFr)	Jan. 26, 2018 USD ($)	Oct. 13, 2016	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2017	May 03, 2018 USD ($)	Mar. 02, 2018 CAD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016
Debt Instrument [Line Items]
Short-term borrowings														$ 4,811,000,000		$ 4,811,000,000					$ 3,517,000,000
Long-term debt repaid																1,821,000,000	$ 1,468,000,000
Proceeds from issuance of debt																2,948,000,000	350,000,000
Loss on debt extinguishment														$ 0	$ 0	$ 140,000,000	$ 11,000,000
Weighted-average interest rate														2.30%		2.30%					2.10%	2.20%
Fair value of total debt														$ 20,364,000,000		$ 20,364,000,000					$ 18,354,000,000
Carrying value of total debt														20,064,000,000		20,064,000,000					17,652,000,000
Notes Payable
Debt Instrument [Line Items]
Debt instrument, principal amount				$ 2,500,000,000															$ 2,500,000,000
Proceeds from issuance of debt				2,480,000,000
Debt issuance costs																			$ 22,000,000
Debt repurchased amount					$ 570,000,000
Notes Payable \| 7.25% Pound Sterling-denominated Notes
Debt Instrument [Line Items]
Long-term debt repaid		£ 76	$ 99,000,000
Debt instrument, interest rate		7.25%	7.25%
Notes Payable \| 3.000% U.S. dollar-denominated Fixed-rate Notes Due May 2020
Debt Instrument [Line Items]
Debt instrument, interest rate																			3.00%
Debt instrument, principal amount																			$ 750,000,000
Notes Payable \| 3.625% U.S. dollar-denominated Fixed-rate Notes Due May 2023
Debt Instrument [Line Items]
Debt instrument, interest rate																			3.625%
Debt instrument, principal amount																			$ 750,000,000
Notes Payable \| 4.125% U.S. dollar-denominated Fixed-rate Notes Due May 2028
Debt Instrument [Line Items]
Debt instrument, interest rate																			4.125%
Debt instrument, principal amount																			$ 700,000,000
Notes Payable \| 4.625% U.S. dollar-denominated Fixed-rate Notes Due May 2048
Debt Instrument [Line Items]
Debt instrument, interest rate																			4.625%
Debt instrument, principal amount																			$ 300,000,000
Notes Payable \| 6.500% U.S. dollar-denominated Notes Due February 2040
Debt Instrument [Line Items]
Debt instrument, interest rate					6.50%
Debt repurchased amount					$ 241,000,000
Notes Payable \| 5.375% U.S. dollar-denominated Notes Due February 2020
Debt Instrument [Line Items]
Debt instrument, interest rate					5.375%
Debt repurchased amount					$ 97,600,000
Notes Payable \| 6.500% U.S. dollar-denominated Notes Due November 2031
Debt Instrument [Line Items]
Debt instrument, interest rate					6.50%
Debt repurchased amount					$ 75,800,000
Notes Payable \| 6.875% U.S. dollar-denominated Notes Due February 2038
Debt Instrument [Line Items]
Debt instrument, interest rate					6.875%
Debt repurchased amount					$ 72,100,000
Notes Payable \| 6.125% U.S. dollar-denominated Notes Due August 2018
Debt Instrument [Line Items]
Long-term debt repaid	$ 280,000,000
Debt instrument, interest rate	6.125%				6.125%
Debt repurchased amount					$ 42,600,000
Notes Payable \| 6.875% U.S. dollar-denominated Notes Due January 2039
Debt Instrument [Line Items]
Debt instrument, interest rate					6.875%
Debt repurchased amount					$ 29,300,000
Notes Payable \| 7.000% U.S. dollar-denominated Notes Due August 2037
Debt Instrument [Line Items]
Debt instrument, interest rate					7.00%
Debt repurchased amount					$ 11,700,000
Notes Payable \| 3.250% Canadian dollar-denominated Notes Due March 2025
Debt Instrument [Line Items]
Debt instrument, interest rate							3.25%													3.25%
Debt instrument, principal amount																				$ 600,000,000
Debt issuance costs							$ 4,000,000
Proceeds from issuance of debt, net of discounts and underwriting fees							$ 461,000,000	$ 595,000,000
Notes Payable \| 6.125% U.S. dollar-denominated Notes
Debt Instrument [Line Items]
Long-term debt repaid										$ 478,000,000
Debt instrument, interest rate										6.125%
Notes Payable \| 0.080% Swiss franc-denominated Notes
Debt Instrument [Line Items]
Long-term debt repaid											SFr 250	$ 260,000,000
Debt instrument, interest rate											0.08%	0.08%
Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, maximum borrowing capacity									$ 1,500,000,000
Line of credit, expiration period									364 days
Revolving credit facility expiration date									Feb. 27, 2019
Line of credit facility outstanding amount														0		0
Revolving Credit Facility, October 11, 2021
Debt Instrument [Line Items]
Revolving credit facility, maximum borrowing capacity									$ 4,500,000,000					4,500,000,000		4,500,000,000
Revolving credit facility expiration date													Oct. 11, 2018					Oct. 11, 2021
Line of credit facility outstanding amount														0		0
Revolving credit facility debt covenant																24,600,000,000
Total shareholders' equity, excluding accumulated other comprehensive earnings / (losses)														36,100,000,000		36,100,000,000
International Subsidiaries
Debt Instrument [Line Items]
Revolving credit facility, maximum borrowing capacity														1,900,000,000		1,900,000,000					2,000,000,000.0
Commercial paper
Debt Instrument [Line Items]
Short-term borrowings														4,602,000,000		$ 4,602,000,000					3,410,000,000
Commercial paper \| Minimum
Debt Instrument [Line Items]
Commercial paper, maturity period																1 day
Commercial paper \| Maximum
Debt Instrument [Line Items]
Commercial paper, maturity period																82 days
Bank loans
Debt Instrument [Line Items]
Short-term borrowings														$ 209,000,000		$ 209,000,000					$ 107,000,000
Bank loans \| Revolving Credit Facility \| 364-Day Senior Unsecured Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, maximum borrowing capacity						$ 2,000,000,000.0
Line of credit, expiration period						364 days
Borrowings from lines of credit					$ 714,000,000
Repayments of lines of credit				$ 714,000,000
Loss on debt extinguishment																$ 140,000,000