XML 59 R44.htm IDEA: XBRL DOCUMENT v3.22.0.1
Capital Stock (Tables)
 12 Months Ended
Dec. 31, 2021
Banking Regulation, Total Capital [Abstract]  
Summary of Stock Option Activity
A summary of stock option activity for the year ended December 31, 2021 is as follows:
Number of
Shares		Weighted-Average
Option Price
per Share		Weighted-Average
Remaining
Contractual Life
(Years)		Aggregate
Intrinsic
Value
Outstanding at January 1, 20213.1 $230.00 
Granted0.7 315.30 
Exercised(0.7)201.05 
Forfeited or expired(0.2)287.81 
Outstanding at December 31, 20212.9 255.50 6.78$599 
Exercisable at December 31, 20211.5 215.40 5.45$364 
Summary of Nonvested Restricted Stock Activity Including Restricted Stock Units
A summary of the status of nonvested restricted stock activity, including restricted stock units and performance units, for the year ended December 31, 2021 is as follows:
Restricted
Stock Shares
and Units		Weighted-Average
Grant Date
Fair Value
per Share
Nonvested at January 1, 20211.3 $272.51 
Granted1.0 317.70 
Vested(0.9)245.48 
Forfeited(0.1)290.87 
Nonvested at December 31, 20211.3 299.65 
Summary of Weighted-Average Assumptions Used to Estimate the Fair Values of Options Granted During the Periods
The following weighted-average assumptions were used to estimate the fair values of options granted during the years ended December 31, 2021, 2020 and 2019:
202120202019
Risk-free interest rate1.44 %1.30 %2.69 %
Volatility factor30.00 %26.00 %25.00 %
Dividend yield (annual)1.50 %1.40 %1.00 %
Weighted-average expected life (years)5.504.304.40
Schedule of Weighted-Average Fair Values Determined For the Periods
The following weighted-average fair values were determined for the years ending December 31, 2021, 2020 and 2019:
202120202019
Options granted during the year$79.91 $54.05 $68.66 
Restricted stock awards granted during the year317.70 272.37 305.88 
Summary of Cash Dividend Activity
A summary of the cash dividend activity for the years ended December 31, 2021 and 2020 is as follows: 
Declaration DateRecord DatePayment DateCash Dividend
per Share		Total
Year ended December 31, 2021
January 26, 2021March 10, 2021March 25, 2021$1.13 $277 
April 20, 2021June 10, 2021June 25, 20211.13 278 
July 20, 2021September 10, 2021September 24, 20211.13 276 
October 19, 2021December 3, 2021December 21, 20211.13 273 
Year ended December 31, 2020
January 28, 2020March 16, 2020March 27, 2020$0.95 $240 
April 28, 2020June 10, 2020June 25, 20200.95 242 
July 28, 2020September 10, 2020September 25, 20200.95 238 
October 27, 2020December 7, 2020December 22, 20200.95 234 
Summary of Share Repurchases
A summary of common stock repurchases for the years ended December 31, 2021 and 2020 is as follows:
Years Ended December 31
 20212020
Shares repurchased5.1 9.4 
Average price per share$371.46 $286.35 
Aggregate cost$1,900 $2,700 
Authorization remaining at end of year$4,192 $1,092