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Earnings Per Share
6 Months Ended
Jun. 30, 2022
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
The following table sets forth the calculation of basic and diluted earnings per share:

 BasicDiluted
 Second Quarter
 2022202120222021
($ in millions, except per share amounts,
shares in millions)
Net income$819 $819 $819 $819 
Dividend equivalent payments(1)— (1)— 
Income available to common stockholders$818 $819 $818 $819 
Weighted-average shares outstanding236.7 248.9 236.7 248.9 
Dilutive effect of outstanding options and share-settled awards  0.8 1.1 
Adjusted weighted-average shares outstanding  237.5 250.0 
Earnings per share$3.46 $3.29 $3.45 $3.28 
 BasicDiluted
 First Six Months
 2022202120222021
($ in millions, except per share amounts,
shares in millions)
Net income$1,522 $1,492 $1,522 $1,492 
Dividend equivalent payments(1)(1)(1)— 
Income available to common stockholders$1,521 $1,491 $1,521 $1,492 
Weighted-average shares outstanding238.0 250.1 238.0 250.1 
Dilutive effect of outstanding options and share-settled awards  0.9 1.2 
Adjusted weighted-average shares outstanding 238.9 251.3 
Earnings per share$6.39 $5.96 $6.37 $5.94 
During the second quarters and first six months of 2022 and 2021, dividend equivalent payments were made to certain holders of stock options and RSUs.  For purposes of computing basic earnings per share, dividend equivalent payments made to holders of stock options and RSUs were deducted from net income to determine income available to common stockholders. For purposes of computing diluted earnings per share, we evaluate on a grant-by-grant basis those stock options and RSUs receiving dividend equivalent payments under the two-class and treasury stock methods to determine which method is more dilutive for each grant. For those grants for which the two-class method was more dilutive, net income was reduced by dividend equivalent payments to determine income available to common stockholders. The dilution calculations exclude options having exercise prices exceeding the average market price of Common Stock as follows: 0.1 million in the second quarter and first six months ended June 30, 2022 and none in the second quarter and first six months ended June 30, 2021.