10-K

Gain (Loss) Recognized in Income on Related Hedged Items

(3.4)

(8.1)

3.4

8.1

Interest rate | Cash Flow Hedging [Member]

Derivative Instruments, Gain (Loss) [Line Items]

Gain (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion)

^[1]

0.0

Gain (Loss) Reclassified into Income from Accumulated OCI (Effective Portion)

^[1]

(0.5)

Gain (Loss) Recognized in Income on Derivative (Amount Excluded from Effectiveness Testing and Ineffective Portion)

^[1]

0.0

Foreign currency denominated debt | Net Investment Hedging Relationships

Derivative Instruments, Gain (Loss) [Line Items]

Gain (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion)

668.1

954.6

Foreign currency | Cash Flow Hedging [Member]

Derivative Instruments, Gain (Loss) [Line Items]

Gain (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion)

35.3

62.0

Gain (Loss) Reclassified into Income from Accumulated OCI (Effective Portion)

53.0

11.0

Gain (Loss) Recognized in Income on Derivative (Amount Excluded from Effectiveness Testing and Ineffective Portion)

22.9

9.5

Foreign currency derivatives | Net Investment Hedging Relationships

Derivative Instruments, Gain (Loss) [Line Items]

Gain (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion)

79.1

126.6

Not Designated as Hedging Instrument [Member]

Derivative Instruments, Gain (Loss) [Line Items]

Not Designated as Hedging Instrument [Member] | Foreign currency

53.5

33.9

Derivative Instruments, Gain (Loss) [Line Items]

Not Designated as Hedging Instrument [Member] | Equity

14.6

10.4

Derivative Instruments, Gain (Loss) [Line Items]

Operating loss carryforwards

^[2]

$ 38.9

$ 23.5

[1]	The amount of gain (loss) reclassified from accumulated OCI into income is recorded in Interest expense.
[2]	The amount of gain (loss) recognized in income on the derivatives used to hedge the supplemental benefit plan liabilities is recorded in Selling, general & administrative expenses.

Net Property and Equipment (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Land	$ 5,582.5	$ 5,788.4
Buildings and improvements on owned land	14,011.7	14,322.4
Buildings and improvements on leased land	12,892.9	13,284.0
Equipment, signs and seating	4,658.5	5,113.8
Other	546.8	617.5
Property and equipment, at cost	37,692.4	39,126.1
Accumulated depreciation and amortization	(14,574.8)	(14,568.6)
Net property and equipment	$ 23,117.6	$ 24,557.5

Property and Equipment - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Abstract]
Depreciation	$ 1,438.0	$ 1,539.3	$ 1,498.8

Other Operating (Income) Expenses by Component (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Income and Expenses [Abstract]
Gains on sales of restaurant businesses	$ (145.9)	$ (137.4)	$ (199.4)
Equity in earnings of unconsolidated affiliates	146.8	8.9	(78.2)
Asset dispositions and other expense	(26.6)	108.2	30.4
Restructuring Costs and Asset Impairment Charges	235.1	38.9	0.0
Total	$ 209.4	$ 18.6	$ (247.2)

Franchise Arrangements - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Franchisor Disclosure [Line Items]
Franchise arrangement period	20 years
Net property and equipment	$ 23,117.6	$ 24,557.5
Land	5,582.5	5,788.4
Accumulated depreciation and amortization of property and equipment	14,574.8	$ 14,568.6
Franchise Arrangements
Franchisor Disclosure [Line Items]
Net property and equipment	14,900.0
Land	4,400.0
Accumulated depreciation and amortization of property and equipment	$ 8,400.0

Revenues from Franchised Restaurants (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Disclosure Franchise Arrangements Additional Information [Abstract]
Rents									$ 5,860.6	$ 6,106.7	$ 6,054.4
Royalties									2,980.7	3,085.1	3,100.4
Initial fees									83.4	80.2	76.7
Revenues from franchised restaurants	$ 2,311.1	$ 2,332.2	$ 2,236.6	$ 2,044.8	$ 2,275.5	$ 2,390.9	$ 2,395.8	$ 2,209.8	$ 8,924.7	$ 9,272.0	$ 9,231.5

Future Minimum Rent Payment due to Company under Existing Franchise Arrangements (Detail) $ in Millions	Dec. 31, 2015 USD ($)
Leases Disclosure [Line Items]
2016	$ 2,627.9
2017	2,533.6
2018	2,448.9
2019	2,355.3
2020	2,240.4
Thereafter	18,133.2
Total minimum payments	30,339.3
Owned sites
Leases Disclosure [Line Items]
2016	1,293.0
2017	1,245.2
2018	1,211.7
2019	1,176.8
2020	1,136.0
Thereafter	9,714.9
Total minimum payments	15,777.6
Leased sites
Leases Disclosure [Line Items]
2016	1,334.9
2017	1,288.4
2018	1,237.2
2019	1,178.5
2020	1,104.4
Thereafter	8,418.3
Total minimum payments	$ 14,561.7

Leasing Arrangements - Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($) Restaurant	Dec. 31, 2014 USD ($) Restaurant	Dec. 31, 2013 USD ($) Restaurant
Operating Leased Assets [Line Items]
Number of Restaurants	36,525	36,258	35,429
Lease term	20 years
Company-operated restaurants:
Operating Leased Assets [Line Items]
Number of Restaurants	6,444	6,714	6,738
Rents in excess of minimum rents \| $	$ 146.6	$ 164.2	$ 175.6
Franchised restaurants:
Operating Leased Assets [Line Items]
Number of Restaurants	30,081	29,544	28,691
Rents in excess of minimum rents \| $	$ 178.8	$ 182.8	$ 187.4
Ground Leases
Operating Leased Assets [Line Items]
Number of Restaurants	15,115
Minimum
Operating Leased Assets [Line Items]
Escalation timing	1 year
Maximum
Operating Leased Assets [Line Items]
Escalation timing	5 years

Future Minimum Payments Required under Existing Operating Leases (Detail) $ in Millions	Dec. 31, 2015 USD ($)
Leases Disclosure [Line Items]
2016	$ 1,349.9
2017	1,235.1
2018	1,112.5
2019	1,001.1
2020	894.8
Thereafter	6,921.4
Total minimum payments	12,514.8
Restaurant
Leases Disclosure [Line Items]
2016	1,274.0
2017	1,171.5
2018	1,058.5
2019	955.9
2020	858.4
Thereafter	6,783.5
Total minimum payments	12,101.8
Other
Leases Disclosure [Line Items]
2016	75.9
2017	63.6
2018	54.0
2019	45.2
2020	36.4
Thereafter	137.9
Total minimum payments	$ 413.0

Detail of Rent Expense (Detail) - USD ($) $ in Millions	12 Months Ended
Detail of Rent Expense (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Leases Disclosure [Line Items]
Rent Expense	$ 1,839.0	$ 1,932.3	$ 1,892.6
Company-operated restaurants:
Leases Disclosure [Line Items]
Rent Expense	711.9	769.6	775.0
Franchised restaurants:
Leases Disclosure [Line Items]
Rent Expense	1,028.7	1,056.4	1,013.6
Other
Leases Disclosure [Line Items]
Rent Expense	98.4	106.3	104.0
U.S. \| Company-operated restaurants:
Leases Disclosure [Line Items]
Rent Expense	59.2	61.3	61.6
U.S. \| Franchised restaurants:
Leases Disclosure [Line Items]
Rent Expense	463.7	446.3	441.6
Outside the U.S. \| Company-operated restaurants:
Leases Disclosure [Line Items]
Rent Expense	652.7	708.3	713.4
Outside the U.S. \| Franchised restaurants:
Leases Disclosure [Line Items]
Rent Expense	$ 565.0	$ 610.1	$ 572.0

Income before Provision for Income Taxes, Classified by Source of Income (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
U.S.	$ 2,597.8	$ 2,681.9	$ 2,912.7
Outside the U.S.	3,957.9	4,690.1	5,291.8
Income before provision for income taxes	$ 6,555.7	$ 7,372.0	$ 8,204.5

Provision for Income Taxes, Classified by Timing and Location of Payment (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
U.S. federal	$ 1,072.3	$ 1,124.8	$ 1,238.2
U.S. state	139.5	148.4	175.0
Outside the U.S.	816.0	1,431.7	1,180.2
Current tax provision	2,027.8	2,704.9	2,593.4
U.S. federal	6.8	(81.8)	46.2
U.S. state	(3.9)	(6.2)	(6.7)
Outside the U.S.	(4.3)	(2.7)	(14.3)
Deferred tax provision	(1.4)	(90.7)	25.2
Provision for income taxes	$ 2,026.4	$ 2,614.2	$ 2,618.6

Net Deferred Tax Liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Schedule of Deferred Income Tax Assets and Liabilities
Property and equipment	$ 1,751.7	$ 1,754.6
Other	1,188.8	907.0
Deferred Tax Liabilities, Gross	2,940.5	2,661.6
Property and equipment	(472.7)	(394.4)
Employee benefit plans	(390.1)	(400.3)
Intangible assets	(222.6)	(252.2)
Deferred foreign tax credits	(289.2)	(272.9)
Operating loss carryforwards	(419.8)	(286.5)
Other	(297.0)	(331.2)
Total deferred tax assets before valuation allowance	(2,091.4)	(1,937.5)
Valuation allowance	322.4	287.9
Deferred Tax Liabilities, Net	1,171.5	1,012.0
Balance sheet presentation: [Abstract]
Deferred income taxes	1,704.3	1,624.5
Other noncurrent assets
Balance sheet presentation: [Abstract]
Deferred tax assets	(532.8)	(591.2)
Prepaid expenses and other current assets
Balance sheet presentation: [Abstract]
Deferred tax assets	$ 0.0	$ (21.3)

Statutory U.S. Federal Income Tax Rate Reconcilation to Effective Income Tax Rates (Detail)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Statutory U.S. federal income tax rate	35.00%	35.00%	35.00%
State income taxes, net of related federal income tax benefit	1.60%	1.60%	1.30%
Foreign income taxed at different rates	(4.90%)	(4.80%)	(5.10%)
Taxes related to unfavorable lower tax court ruling and audit progression in foreign tax jurisdictions	0.00%	4.10%	0.00%
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent	(2.30%)	(1.20%)	(0.50%)
Other, net	1.50%	0.80%	1.20%
Effective income tax rates	30.90%	35.50%	31.90%

Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions

12 Months Ended

Dec. 31, 2015

Dec. 31, 2014

Dec. 31, 2013

Dec. 31, 2010

Income Taxes [Line Items]

$ 1,500.0

Reasonably possible amount of unrecognized tax benefits decrease within the next 12 months - minimum

781.2

^[1]

$ 988.1

^[1]

$ 512.7

$ 250.0

Effective tax rate adjustment

470.0

Accrued interest and penalties related to income tax matters

83.6

119.0

Provision for income taxes, interest and penalties expense related to tax matters

21.1

$ 87.9

$ 14.4

Temporary difference for which deferred U.S. income taxes have not been recorded

14,900.0

Minimum

Income Taxes [Line Items]

Effective tax rate adjustment

$ 50.0

Indefinite [Member]

Income Taxes [Line Items]

Operating loss carryforwards

$ 1,200.0

[1]

Of this amount, $704.0 million and $909.0 million are included in Other long-term liabilities for 2015 and 2014, respectively, and $21.9 million and $19.5 million are included in Current liabilities - income taxes for 2015 and 2014, respectively, on the Consolidated balance sheet. The remainder is included in Deferred income taxes on the Consolidated balance sheet.

Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits (Detail) - USD ($)
$ in Millions

12 Months Ended

Dec. 31, 2015

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Unrecognized tax benefits, beginning balance

$ 988.1

^[1]

$ 512.7

Decreases for positions taken in prior years

(49.9)

(19.5)

Increases for positions taken in prior years

30.5

504.7

Increases for positions related to the current year

83.7

80.7

Settlements with taxing authorities

(258.0)

(78.0)

Lapsing of statutes of limitations

(13.2)

(12.5)

Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]

^[1]

$ 781.2

$ 988.1

[1]

Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits (Table Footnotes) (Detail) - USD ($)
$ in Millions

Dec. 31, 2015

Dec. 31, 2014

Dec. 31, 2013

Other long-term liabilities

$ 781.2

^[1]

$ 988.1

^[1]

$ 512.7

Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]

Other Current Liabilities [Member]

704.0

909.0

Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]

$ 21.9

$ 19.5

[1]

Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Schedule Of Employee Benefit Plans [Line Items]
Tax-deferred contributions, description of plan	The Company also maintains certain nonqualified supplemental benefit plans that allow participants to (i) make tax-deferred contributions and (ii) receive Company-provided allocations that cannot be made under the Profit Sharing and Savings Plan because of IRS limitations. The investment alternatives and returns are based on certain market-rate investment alternatives under the Profit Sharing and Savings Plan.
Supplemental benefit plan liabilities	$ 487.6	$ 534.0
Derivative contracts, reasons for holding derivative instruments	The Company has entered into derivative contracts to hedge market-driven changes in certain of the liabilities.
Derivative contracts, fair value of derivatives indexed to the Company's stock	$ 139.9
Investment, indexed to the Company's prepaid expenses and other current assets	$ 180.6
Derivative contracts, disclosure of the effect on the results of operations	Changes in liabilities for these nonqualified plans and in the fair value of the derivatives are recorded primarily in Selling, general & administrative expenses. Changes in fair value of the derivatives indexed to the Company’s stock are recorded in the income statement because the contracts provide the counterparty with a choice to settle in cash or shares.
Maximum
Schedule Of Employee Benefit Plans [Line Items]
Participants' future contributions to the 401(k) feature and the discretionary employer matching contribution feature	20.00%
U.S.
Schedule Of Employee Benefit Plans [Line Items]
Profit sharing and savings plan costs	$ 24.0	29.1	$ 21.9
Outside the U.S.
Schedule Of Employee Benefit Plans [Line Items]
Profit sharing and savings plan costs	53.4	54.4	$ 51.2
Total liabilities for international retirement plans	$ 76.0	$ 74.7

Segment and Geographic Information (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Entity Wide Revenue Major Customer [Line Items]
Total revenues	$ 6,341.3	$ 6,615.1	$ 6,497.7	$ 5,958.9	$ 6,572.2	$ 6,987.1	$ 7,181.7	$ 6,700.3	$ 25,413.0	$ 27,441.3	$ 28,105.7
Total operating income	1,880.4	$ 2,030.3	$ 1,849.3	$ 1,385.5	1,751.7	$ 2,072.5	$ 2,189.0	$ 1,936.0	7,145.5	7,949.2	8,764.3
Total assets	37,938.7				34,227.4				37,938.7	34,227.4	36,626.3
Total capital expenditures									1,813.9	2,583.4	2,824.7
Depreciation and amortization									1,555.7	1,644.5	1,585.1
U.S.
Entity Wide Revenue Major Customer [Line Items]
Total revenues									8,558.9	8,651.0	8,851.3
Total operating income									3,612.0	3,522.5	3,779.3
Total assets	11,806.1				11,872.1				11,806.1	11,872.1	11,711.8
Total capital expenditures									533.2	736.1	875.5
Depreciation and amortization									515.2	512.2	503.6
International Lead Markets [Member]
Entity Wide Revenue Major Customer [Line Items]
Total revenues									7,614.9	8,544.5	8,535.3
Total operating income									2,712.6	3,034.5	3,028.8
Total assets	11,136.3				12,538.4				11,136.3	12,538.4	14,815.5
Total capital expenditures									596.1	792.1	793.3
Depreciation and amortization									460.9	521.2	507.4
High-Growth Markets [Member]
Entity Wide Revenue Major Customer [Line Items]
Total revenues									6,172.8	6,845.2	7,043.2
Total operating income									841.1	933.9	1,250.0
Total assets	5,248.6				5,866.0				5,248.6	5,866.0	6,335.5
Total capital expenditures									540.5	804.8	831.1
Depreciation and amortization									363.9	387.8	357.3
Foundational Markets and Corporate [Member]
Entity Wide Revenue Major Customer [Line Items]
Total revenues									3,066.4	3,400.6	3,675.9
Total operating income									(20.2)	458.3	706.2
Total assets	$ 9,747.7				$ 3,950.9				9,747.7	3,950.9	3,763.5
Total capital expenditures									144.1	250.4	324.8
Depreciation and amortization									$ 215.7	$ 223.3	$ 216.8

Segment and Geographic Information - Additional Information (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Total long lived assets	$ 27,607.8	$ 29,264.7	$ 30,679.8
U.S.
Segment Reporting Information [Line Items]
Total long lived assets	$ 11,940.4	$ 11,883.1	$ 11,632.2

Debt Financing - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Debt Disclosure [Line Items]
Weighted-average interst rate on short-term borrowings	2.00%	4.10%
Debt, face amount	$ 10,220.0	$ 1,540.6	$ 1,417.2
Additional paid-in capital	6,533.4	6,239.1
Revolving Credit Facility Expiring In Twenty Nineteen \| Unused lines of Credit [Member]
Debt Disclosure [Line Items]
Unused Line of credit	$ 2,500.0
Unused Line of credit agreement, fees	0.07%
Line of Credit Facility, Commitment Fee Description	Fees and interest rates on this line are based on the Company’s long-term credit rating assigned by Moody’s and Standard & Poor’s
Outside the U.S.
Debt Disclosure [Line Items]
Foreign currency bank line borrowings	$ 731.6	862.9
Outside the U.S. \| Unused lines of Credit [Member]
Debt Disclosure [Line Items]
Line of Credit Facility, Currency	denominated in various currencies
Line of Credit Facility, Interest Rate Description	local market rates of interest
U.S.
Debt Disclosure [Line Items]
Commercial Paper	$ 869.6	$ 200.0

Summary of Debt Obligations (Detail) - USD ($)
$ in Millions

Dec. 31, 2015

Dec. 31, 2014

Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Net

^[1]

$ 24,122.1

$ 14,935.7

^[2]

(106.0)

(54.0)

Debt Obligations Before Fair Value Adjustments

Derivatives in Fair Value Hedging Relationships

^[3]

24,226.3

14,985.0

^[4]

1.8

4.7

Currency US Dollar

Currency US Dollar | Fixed Rate Debt

$ 17,210.2

$ 9,054.7

^[5]

4.00%

4.50%

Currency US Dollar | Floating Rate Debt

$ 14,190.6

$ 6,604.7

^[5]

3.30%

3.20%

$ 3,019.6

$ 2,450.0

Currency Euro

Currency Euro | Fixed Rate Debt

$ 4,617.8

$ 3,335.0

^[5]

2.40%

3.20%

Currency Euro | Floating Rate Debt

$ 3,951.9

$ 3,014.7

^[5]

0.30%

2.90%

$ 665.9

$ 320.3

Currency Japanese Yen

Currency Japanese Yen | Fixed Rate Debt

$ 312.0

$ 312.9

^[5]

2.90%

Currency Japanese Yen | Floating Rate Debt

$ 104.0

$ 104.3

^[5]

0.30%

Currency British Pound Sterling [Member] | Fixed Rate Debt

$ 208.0

$ 208.6

^[5]

5.30%

Currency Chinese Renminbi [Member] | Floating Rate Debt

$ 1,100.1

$ 1,163.3

^[5]

4.30%

5.60%

Foreign currency denominated debt

$ 491.8

$ 630.1

Foreign currency denominated debt | Fixed Rate Debt

^[6]

$ 494.4

$ 489.0

^[5]

2.10%

Foreign currency denominated debt | Floating Rate Debt

$ 264.7

$ 268.3

^[5]

3.10%

4.00%

$ 229.7

$ 220.7

[1]	The net increase in 2015 was primarily due to net issuances of $9.7 billion in connection with the Company's plan to optimize its capital structure.
[2]	FASB issued an Update that requires debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of the debt liability.
[3]	Aggregate maturities for 2015 debt balances, before fair value adjustments and deferred debt costs, were as follows (in millions): 2016–$0.0; 2017–$1,065.1; 2018–$1,755.3; 2019–$3,844.2; 2020–$2,463.9; Thereafter–$15,097.8. These amounts include a reclassification of short-term obligations totaling $2.4 billion to long-term obligations as they are supported by a long-term line of credit agreement expiring in December 2019.
[4]	The carrying value of underlying items in fair value hedges, in this case debt obligations, are adjusted for fair value changes to the extent they are attributable to the risk designated as being hedged. The related hedging instrument is also recorded at fair value in prepaid expenses and other current assets, miscellaneous other assets or other long-term liabilities.
[5]	Weighted-average effective rate, computed on a semi-annual basis.
[6]	Primarily consists of Swiss Francs and Korean Won.

Summary of Debt Obligations (Table Footnotes) (Detail) - USD ($)
$ in Millions

12 Months Ended

Dec. 31, 2015

Dec. 31, 2014

Reclassification to Long Term Debt

$ 0.0

1,065.1

1,755.3

3,844.2

2,463.9

15,097.8

2,400.0

Net Issuance Maturities Of Debt [Member]

^[1]

24,122.1

$ 14,935.7

Increase (Decrease) In debt obligations

$ 9,700.0

[1]	The net increase in 2015 was primarily due to net issuances of $9.7 billion in connection with the Company's plan to optimize its capital structure.

Share-based Compensation - Additional Information (Detail) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Performance Share Units [Line Items]
Description of share based compensation plan	The Company maintains a share-based compensation plan which authorizes the granting of various equity-based incentives including stock options and restricted stock units (RSUs) to employees and nonemployee directors.
Share-based compensation plan, number of shares of common stock reserved for issuance	62.1
Stock options, number of years to expire	10 years
Outstanding stock options	21.9	23.4	25.1	27.4
Proceeds from stock option exercises	$ 317.2	$ 235.4	$ 233.3
Tax benefit on stock option exercises and other	44.8	70.2	93.6
RSUs vested, total fair value	$ 49.4	54.9	60.2
Stock Compensation Plan
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Performance Share Units [Line Items]
Outstanding stock options	37.8
Stock Option
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Performance Share Units [Line Items]
Stock options exercised total intrinsic value	$ 202.9	$ 258.9	$ 325.2
Tax benefit on stock option exercises and other	63.0
Restricted Stock Units (RSUs)
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Performance Share Units [Line Items]
Tax benefit on stock option exercises and other	$ 14.2
Vesting percentage	100.00%
Vesting period	3 years

Summary of Stock Option Grants (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Stock options grant shares
Outstanding at beginning of year	23.4	25.1	27.4
Granted	4.3	3.9	3.7
Exercised	(5.1)	(5.1)	(5.7)
Forfeited/expired	(0.7)	(0.5)	(0.3)
Outstanding at end of year	21.9	23.4	25.1
Exercisable at end of year	13.4	14.4	15.6
Stock options grant weighted-average exercise price
Outstanding at beginning of year	$ 77.99	$ 69.15	$ 59.86
Granted	97.33	95.13	94.36
Exercised	62.59	46.09	40.12
Forfeited/expired	96.76	94.56	79.15
Outstanding at end of year	84.76	$ 77.99	$ 69.15
Exercisable at end of year	$ 77.31
Stock options grant Weighted-average remaining contractual life
Outstanding at end of year	6 years 2 months 12 days
Exercisable at end of year	4 years 10 months 24 days
Stock options grant aggregate intrinsic value
Outstanding at end of year	$ 730.7
Exercisable at end of year	$ 546.5

Summary of Restricted Stock Unit Activity (Detail) - $ / shares shares in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
RSUs shares
Nonvested at beginning of year	2.2	2.0	1.8
Granted	0.9	0.9	1.0
Vested	(0.5)	(0.6)	(0.7)
Forfeited	(0.2)	(0.1)	(0.1)
Nonvested at end of year	2.4	2.2	2.0
RSUs weighted-average grant date fair value
Nonvested at beginning of year	$ 83.49	$ 78.89	$ 68.23
Granted	87.03	85.12	83.98
Vested	88.78	69.29	56.93
Forfeited	85.82	85.16	82.44
Nonvested at end of year	$ 83.50	$ 83.49	$ 78.89

Quarterly Results (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions

3 Months Ended

12 Months Ended

Dec. 31, 2015

Sep. 30, 2015

Jun. 30, 2015

Mar. 31, 2015

Dec. 31, 2014

Sep. 30, 2014

Jun. 30, 2014

Mar. 31, 2014

Dec. 31, 2015

Dec. 31, 2014

Dec. 31, 2013

Sales by Company-operated restaurants

$ 4,030.2

$ 4,282.9

$ 4,261.1

$ 3,914.1

$ 4,296.7

$ 4,596.2

$ 4,785.9

$ 4,490.5

$ 16,488.3

$ 18,169.3

$ 18,874.2

Revenues from franchised restaurants

2,311.1

2,332.2

2,236.6

2,044.8

2,275.5

2,390.9

2,395.8

2,209.8

8,924.7

9,272.0

9,231.5

Total revenues

6,341.3

6,615.1

6,497.7

5,958.9

6,572.2

6,987.1

7,181.7

6,700.3

25,413.0

27,441.3

28,105.7

Total operating income

1,880.4

2,030.3

1,849.3

1,385.5

1,751.7

2,072.5

2,189.0

1,936.0

7,145.5

7,949.2

8,764.3

Net income

$ 1,206.2

$ 1,309.2

$ 1,202.4

$ 811.5

$ 1,097.5

$ 1,068.4

$ 1,387.1

$ 1,204.8

$ 4,529.3

$ 4,757.8

$ 5,585.9

Earnings per common share–basic

$ 1.32

$ 1.41

$ 1.26

$ 0.84

$ 1.14

$ 1.09

$ 1.40

$ 1.22

$ 4.82

$ 4.85

$ 5.59

Earnings per common share–diluted

1.31

1.40

1.26

0.84

$ 1.13

1.09

1.40

1.21

4.80

4.82

5.55

Dividends declared per common share

$ 0.89

$ 0.85

$ 1.66

^[1]

$ 0.81

$ 3.44

$ 3.28

$ 3.12

Weighted-averaged common shares–basic

914.1

930.3

953.2

960.6

966.6

978.7

987.4

989.6

939.4

980.5

998.4

Weighted-averaged common shares–diluted

919.9

934.8

957.6

965.5

971.5

983.8

993.2

995.9

944.6

986.3

1,006.0

Common stock sales price per share, Quarter end

$ 118.14

$ 98.53

$ 95.07

$ 97.44

$ 93.70

$ 94.81

$ 100.74

$ 98.03

$ 118.14

$ 93.70

Company-operated

Margin

$ 611.6

$ 675.2

$ 664.8

$ 559.8

$ 620.0

$ 721.5

$ 816.1

$ 723.4

Franchised

Margin

$ 1,894.9

$ 1,916.1

$ 1,825.6

$ 1,641.2

$ 1,854.1

$ 1,959.7

$ 1,968.2

$ 1,792.7

Maximum

Common stock sales price per share

$ 120.23

$ 101.88

$ 101.08

$ 101.09

$ 97.50

$ 101.36

$ 103.78

$ 99.07

Minimum