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Stock and Stock-Based Incentive Plans (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	May 31, 2023	Feb. 28, 2023	May 31, 2022
Stock and Stock-Based Incentive Plans
Stock Repurchase Program, Authorized Amount	$ 4,000.0
Share Repurchase Program
Stock and Stock-Based Incentive Plans
Available for repurchase, as of end of period	$ 2,451.3		$ 2,616.9
Performance Shares [Member]
Stock and Stock-Based Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	97,584
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 87.61
Performance Shares [Member] \| Minimum
Stock and Stock-Based Incentive Plans
stock units converted to common stock for each unit granted	0
Performance Shares [Member] \| Maximum
Stock and Stock-Based Incentive Plans
stock units converted to common stock for each unit granted	2
Deferred Stock Units [Member]
Stock and Stock-Based Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
stock units converted to common stock for each unit granted	1
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	78,893
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 91.65
Restricted Stock [Member]
Stock and Stock-Based Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	7,847
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 124.21
Restricted Stock [Member] \| Minimum
Stock and Stock-Based Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
Restricted Stock [Member] \| Maximum
Stock and Stock-Based Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Equity Option [Member]
Stock and Stock-Based Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	7 years
Stock-settled market stock units (MSUs)
Stock and Stock-Based Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	396,000	404,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 123.86	$ 120.61
Market Stock Units Converted To Common Stock Conversion Ratio Number Of Final Trading Days In Vesting Period	40 days
Share-based Compensation Arrangement by Share-based Payment Award, Conversion Ratio Quotient	2
Stock-settled market stock units (MSUs) \| Minimum
Stock and Stock-Based Incentive Plans
stock units converted to common stock for each unit granted	0
Stock-settled market stock units (MSUs) \| Maximum
Stock and Stock-Based Incentive Plans
stock units converted to common stock for each unit granted	2
Cash-settled restricted stock units (RSUs)
Stock and Stock-Based Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	1,418,000	1,004,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 81.44	$ 97.19
Cash-settled restricted stock units (RSUs) \| Minimum
Stock and Stock-Based Incentive Plans
cash payment per cash settled restricted stock unit	75.00%
Cash-settled restricted stock units (RSUs) \| Maximum
Stock and Stock-Based Incentive Plans
cash payment per cash settled restricted stock unit	200.00%
PSU Grants - Performance Target Not Set [Member] \| Performance Shares [Member]
Stock and Stock-Based Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	65,077
Fiscal 2022 grants - Year 1 \| Performance Shares [Member]
Stock and Stock-Based Incentive Plans
PSU conversion threshold	200.00%
Fiscal 2023 grants - Year 1 [Member] \| Performance Shares [Member]
Stock and Stock-Based Incentive Plans
PSU conversion threshold	4.00%
Fiscal 2022 grants - Year 2 \| Performance Shares [Member]
Stock and Stock-Based Incentive Plans
PSU conversion threshold	4.00%