Unregistered Sales of Equity Securities and Use of Proceeds The following table summarizes the surrenders of our equity securities during the three months ended December 31, 2020: Period Total Number of Shares Purchased Average Price Paid per Share Total Number of Shares Purchased as Part of Publicly Announced Programs Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs Dollars in Millions, Except Per Share Data October 1 to 31, 2020 9,489,912  $ 59.95  8,901,702  $ 5,385  November 1 to 30, 2020 7,355,624  63.02  7,333,449  4,923  December 1 to 31, 2020 8,529,764  61.63  8,359,055  4,408  Three months ended December 31, 2020 25,375,300  24,594,206  (a) (a) (b) (b) (a) Includes shares repurchased as part of publicly announced programs and shares of common stock surrendered to the Company to satisfy tax withholding obligations in connection with the vesting of awards under our long-term incentive program. (b) In May 2010, the Board of Directors authorized the repurchase of up to $3.0 billion of our common stock and in June 2012 increased its authorization for the repurchase of our common stock by an additional $3.0 billion. In October 2016, the Board of Directors approved a new share repurchase program authorizing the repurchase of an additional $3.0 billion of our common stock and in November 2019 further increased its authorization for the repurchase of our common stock by approximately $7.0 billion. In February 2020, the Board of Directors approved an increase of $5.0 billion to the total outstanding share repurchase authorization. The remaining share repurchase capacity under the program was approximately $4.4 billion as of December 31, 2020. Refer to “Item 1. Financial Statements-Note 16. Equity” for information on the share repurchase program. In January 2021, the Board of Directors approved an increase of $2.0 billion to the share repurchase authorization for our common stock. 36