General - Additional Information (Details) $ / shares in Units, € in Millions		1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended
	Mar. 16, 2021 USD ($)	Jan. 31, 2021 Employee	Feb. 28, 2021 USD ($) $ / shares shares	Feb. 29, 2020 USD ($)	Nov. 30, 2019 USD ($) air-craft $ / shares	Feb. 28, 2021 USD ($) $ / shares shares	Feb. 29, 2020 USD ($) shares	May 31, 2023 USD ($)	Feb. 28, 2021 EUR (€) shares	Dec. 23, 2020 USD ($)	May 31, 2020 USD ($)	Jan. 26, 2016 shares
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Gross contract assets related to in-transit shipments			$ 677,000,000			$ 677,000,000					$ 563,000,000
Contract assets net of deferred unearned revenue			544,000,000			544,000,000					456,000,000
Contract liabilities related to advance payments from customers			9,000,000			9,000,000					$ 10,000,000
Number of aircraft to be permanently retired from service | air-craft					10
Number of aircraft engines to be permanently retired from service | air-craft					12
Noncash impairment charges					$ 66,000,000
Noncash impairment charges net of tax					$ 50,000,000
Noncash impairment charges net of tax per diluted share | $ / shares					$ 0.19
Stock-based compensation			40,000,000	$ 33,000,000		161,000,000	$ 137,000,000
Workforce reduction plan, execution period		18 months
Business realignment costs			10,000,000			$ 10,000,000
Business realignment costs, net of tax			$ 8,000,000
Business realignment costs per diluted share | $ / shares			$ 0.03
Denominated debt as a net investment hedge | €									€ 640
Stock repurchase program number of shares authorized to be repurchased | shares												25,000,000
Number of shares repurchased | shares						0	20,000.00
Stock repurchase program, remaining number of shares authorized to be repurchased | shares			5,100,000			5,100,000			5,100,000
Dividends payable, date declared						Feb. 12, 2021
Dividends payable amount per share | $ / shares			$ 0.65			$ 0.65
Dividends payable, date to be paid						Apr. 01, 2021
Dividends payable, date of record						Mar. 08, 2021
Amended and Restated Five-Year Credit Agreement [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Line of credit facility maximum borrowing capacity			$ 2,000,000,000.0			$ 2,000,000,000.0
Line of credit facility, term						5 years
364-Day Credit Agreement [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Line of credit facility maximum borrowing capacity			$ 1,500,000,000			$ 1,500,000,000
Line of credit facility, term						364 days
364-Day Credit Agreement [Member] | Subsequent Event [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Line of credit facility maximum borrowing capacity	$ 1,500,000,000
Line of credit facility, term	364 days
ASU 2016-13
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Change in accounting principle, ASU adopted			true			true			true
Change in accounting principle, ASU adoption date			Jun. 01, 2020			Jun. 01, 2020			Jun. 01, 2020
Change in accounting principle, ASU immaterial effect			true			true			true
ASU 2018-15
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Change in accounting principle, ASU adopted			true			true			true
Change in accounting principle, ASU adoption date			Jun. 01, 2020			Jun. 01, 2020			Jun. 01, 2020
Change in accounting principle, ASU immaterial effect			true			true			true
ASU 2019-12
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Change in accounting principle, ASU adopted			true			true			true
Change in accounting principle, ASU adoption date			Jun. 01, 2020			Jun. 01, 2020			Jun. 01, 2020
Change in accounting principle, ASU immaterial effect			true			true			true
Minimum [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of employees will impact in workforce reduction plan | Employee		5,500
Minimum [Member] | Forecast [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Business realignment costs								$ 300,000,000
Maximum [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of employees will impact in workforce reduction plan | Employee		6,300
Maximum [Member] | Forecast [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Business realignment costs								$ 575,000,000
ShopRunner [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Acquisition price										$ 225,000,000