Share-Based Compensation Share-Based Compensation (Other Stock-Based Compensation Data) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	1,847,000	1,286,000	1,429,000
Weighted-average grant-date fair value of options granted	$ 8.31	$ 10.89	$ 9.80
Total intrinsic value of options exercised (a)	$ 155,096	$ 275,745	$ 224,663
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	$ 8,652	$ 9,838	$ 15,506
Equity Instruments Other Than Options
Phantom Units Granted Under Director Deferral Program, Shares Outstanding	287,000	269,000
LiabilityAwards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LiabilityAwardsNonvestedNumber	$ 47,513	$ 44,224
LiabilityAwardsNonvestedBalanceSheetFairValue	$ 45,669
LiabilityAwardsNonvestedRemainingContractualTerm	1 year 2 months 23 days
Equity Instruments Other Than Options
LiabilityAwardsGranted	$ 18,975
Liability Awards Vested	(15,686)
LiabilityAwardsForfeituresExpirations	0
LiabilityAwardsExpectedtoVest,Outstanding,Number	42,658
LiabilityAwardsExpectedtoVest,BalanceSheetFairValue	$ 41,318
LiabilityAwardsExpectedtoVest,RemainingContractualTerm	1 year 1 month 20 days
Performance Shares [Member] \| Target Award Level
Equity Instruments Other Than Options
Share-based Compensation Arrangement by Share-Based Payment Award, Equity instruments other than options, Performance Assumption Adjustment, Shares	1,000,000
LiabilityAwardsPerformanceAssumptionAdjustmentAwardsOutstanding	$ 48,000
Performance Shares [Member] \| Minimum
Equity Instruments Other Than Options
Share-based Compensation Arrangement by Share-Based Payment Award, Equity instruments other than options, Performance Assumption Adjustment, Shares	0
LiabilityAwardsPerformanceAssumptionAdjustmentAwardsOutstanding	$ 0
Performance Shares [Member] \| Maximum
Equity Instruments Other Than Options
Share-based Compensation Arrangement by Share-Based Payment Award, Equity instruments other than options, Performance Assumption Adjustment, Shares	2,000,000
LiabilityAwardsPerformanceAssumptionAdjustmentAwardsOutstanding	$ 95,000
Restricted Stock Units (RSUs)
Equity Instruments Other Than Options
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	2,496,000	2,754,000	2,634,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 131.21	$ 116.87	$ 108.75
Total intrinsic value of converted units	$ 303,165	$ 333,951	$ 260,287
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	235,523	275,234	232,141
PEP Equity Performance Unit [Member]
Equity Instruments Other Than Options
Total intrinsic value of converted units	0	0	30,147
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 0	$ 0	$ 9,430

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