XML 80 R57.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Stock Options and Other Share-Based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Fair market values of stock options and stock appreciation rights granted | The fair market values of stock options and stock appreciation rights granted in 2021, 2020 and 2019 were measured on the date of grant using the Black-Scholes option-pricing model, with the following weighted-average assumptions:
| Year ended December 31
| 2021 |  |  | 2020 |  | 2019 |
Expected term in years 1 | 6.8 |  |  | 6.6 |  | 6.6 |
Volatility 2 | 31.1 |  | % |  | 20.8 |  | % | 20.5 |  | %
Risk-free interest rate based on zero coupon U.S. treasury note | 0.71 |  | % |  | 1.5 |  | % | 2.6 |  | %
Dividend yield | 6.0 |  | % |  | 4.0 |  | % | 3.8 |  | %
Weighted-average fair value per option granted | $ | 12.22 |  |  |  | $ | 13.00 |  |  | $ | 15.82 |  |
1 Expected term is based on historical exercise and post-vesting cancellation data. 2 Volatility rate is based on historical stock prices over an appropriate period, generally equal to the expected term.
Summary of option activity | A summary of option activity during 2021 is presented below:
| Shares (Thousands) | Weighted-Average Exercise Price |  | Averaged Remaining Contractual Term (Years) | Aggregate Intrinsic Value
Outstanding at January 1, 2021 | 90,150 |  |  | $ | 108.17 |  |  |  |  |
Granted | 6,948 |  |  | $ | 88.20 |  |  |  |  |
Exercised | (12,831) |  |  | $ | 99.64 |  |  |  |  |
Forfeited | (6,868) |  |  | $ | 102.61 |  |  |  |  |
Outstanding at December 31, 2021 | 77,399 |  |  | $ | 108.10 |  |  | 4.17 |  | $ | 1,020 |
Exercisable at December 31, 2021 | 66,499 |  |  | $ | 109.80 |  |  | 3.45 |  | $ | 806 |

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

X
- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + 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 (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types: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=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration