XML 56 R32.htm IDEA: XBRL DOCUMENT v3.20.4
Accumulated Other Comprehensive Income - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) ("AOCI") (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2021
Feb. 29, 2020
Accumulated Other Comprehensive Income Loss [Line Items]        
Beginning Balance     $ 18,295  
Translation adjustments $ 136 $ (1) 389 $ (12)
Ending Balance 21,981 18,831 21,981 18,831
Foreign Currency Translation Loss [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Beginning Balance (954) (964) (1,207) (954)
Translation adjustments 136 (1) 389 (12)
Ending Balance (818) (965) (818) (965)
Foreign Currency Translation Loss [Member] | ASU 2018-02 [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Reclassification to retained earnings due to the adoption of ASU 2018-02       1
Retirement Plans Adjustments [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Beginning Balance 56 98 60 89
Reclassifications from AOCI (2) (20) (6) (61)
Ending Balance 54 78 54 78
Retirement Plans Adjustments [Member] | ASU 2018-02 [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Reclassification to retained earnings due to the adoption of ASU 2018-02       50
Accumulated Other Comprehensive (Loss) [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Beginning Balance (898) (866) (1,147) (865)
Ending Balance $ (764) $ (887) $ (764) (887)
Accumulated Other Comprehensive (Loss) [Member] | ASU 2018-02 [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Reclassification to retained earnings due to the adoption of ASU 2018-02 [1]       $ 51
[1] Relates to the adoption of ASU 2018-02.