XML 38 R26.htm IDEA: XBRL DOCUMENT
v3.20.2

Stock-Based Compensation (Tables) | 3 Months Ended
--- | ---
Aug. 31, 2020
Share-based Payment Arrangement, Noncash Expense [Abstract] |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award | The following table summarizes the Company's total stock-based compensation expense recognized in Cost of sales or Operating overhead expense, as applicable:
| THREE MONTHS ENDED AUGUST 31, |
(Dollars in millions) | 2020 | 2019
Stock options(1) | $ | 70 |  | $ | 42 |
ESPPs | 18 |  | 13 |
Restricted stock | 48 |  | 25 |
TOTAL STOCK-BASED COMPENSATION EXPENSE | $ | 136 |  | $ | 80 |
(1)Expense for stock options includes the expense associated with stock appreciation rights. Accelerated stock option expense is primarily recorded for employees meeting certain retirement eligibility requirements.
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The weighted average assumptions used to estimate these fair values were as follows:
| THREE MONTHS ENDED AUGUST 31, |
| 2020 | 2019
Dividend yield | 1.0 | % | 1.1 | %
Expected volatility | 27.2 | % | 22.9 | %
Weighted average expected life (in years) | 6.0 | 6.0
Risk-free interest rate | 0.3 | % | 1.7 | %

X
- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration