Stockholders' Equity	12 Months Ended
Dec. 31, 2019
Stockholder's Equity
Stockholders' Equity [Text Block]	NOTE 17. STOCKHOLDERS’ EQUITY Authorized Shares We have authorized 14 billion common shares of AT&T stock and 10 million preferred shares of AT&T stock, each with a par value of $1.00 per share. At December 31, 2019, there were 48 thousand shares of Series A perpetual preferred stock, with a $25,000 per share liquidation preference, outstanding. There were no preferred shares outstanding at December 31, 2018. In February 2020, we issued 20 thousand shares of Series B cumulative perpetual preferred stock, with a €100,000 per share liquidation preference, and an initial rate of 2.875%, subject to reset beginning after five years. We also issued 70 thousand shares of Series C, 4.75% cumulative perpetual preferred stock with a $25,000 per share liquidation preference. So long as the quarterly preferred dividends are declared and paid on a timely basis on each series of preferred shares, there are no limitations on our ability to declare a dividend on or repurchase AT&T common shares. The preferred shares are optionally redeemable by AT&T at the liquidation price on or after five years from the issuance date, or upon certain other contingent events. Stock Repurchase Program From time to time, we repurchase shares of common stock for distribution through our employee benefit plans or in connection with certain acquisitions. Our Board of Directors has approved the following authorizations to repurchase common stock: (1) March 2013 authorization program of 300 million shares, with 19 million outstanding at December 31, 2019 and (2) March 2014 authorization program for an additional 300 million shares, with all 300 million outstanding at December 31, 2019. To implement these authorizations, we used open market repurchase programs, relying on Rule 10b5-1 of the Securities Exchange Act of 1934, where feasible. We also use accelerated share repurchase programs with large financial institutions to repurchase our stock. During 2019, we repurchased approximately 56 million shares totaling $2,135 under the March 2013 authorization. Dividend Declarations In December 2019, AT&T declared a quarterly preferred dividend of $8 and an increase in its quarterly common dividend to $0.52 per share of common stock. In December 2018, AT&T declared an increase in its quarterly common dividend to $0.51 per share of common stock. Preferred Interests Issued by Subsidiaries We have issued cumulative perpetual preferred membership interests in certain subsidiaries. The preferred interests are entitled to cash distributions, subject to declaration. The preferred interests are included in “Noncontrolling interest” on the consolidated balance sheets. Mobility II We have issued 320 million Series A Cumulative Perpetual Preferred Membership Interests in Mobility II (Mobility preferred interests), representing all currently outstanding Mobility preferred equity interests, which pay cash distributions of $560 per annum, subject to declaration. So long as the distributions are declared and paid, the terms of the Mobility preferred equity interests will not impose any limitations on cash movements between affiliates, or our ability to declare a dividend on or repurchase AT&T shares. A holder of the Mobility preferred interests may put the interests to Mobility II on or after the earliest of certain events or September 9, 2020. Mobility II may redeem the interests upon a change in control of Mobility II or on or after September 9, 2022. When either options arise due to a passage of time, that option may be exercised only during certain periods. The price at which a put option or a redemption option can be exercised is the greater of (1) the market value of the interests as of the last date of the quarter preceding the date of the exercise of a put or redemption option and (2) the sum of (a) twenty-five dollars ($8,000 in the aggregate) plus (b) any accrued and unpaid distributions. The redemption price may be paid with cash, AT&T common stock, or a combination of cash and AT&T common stock, at Mobility II’s sole election. In no event shall Mobility II be required to deliver more than 250 million shares of AT&T common stock to settle put and redemption options. We have the intent and ability to settle the Mobility preferred equity interests with cash. The preferred interests are included in “Noncontrolling interest” on the consolidated balance sheets. Tower Holdings In 2019, we issued $6,000 nonconvertible cumulative preferred interests in a wireless subsidiary (Tower Holdings) that holds interests in various tower assets and have the right to receive approximately $6,000 if the purchase options from the tower companies are exercised. The membership interests in Tower Holdings consist of (1) common interests, which are held by a consolidated subsidiary of AT&T, and (2) two series of preferred interests (collectively the “Tower preferred interests”). The September series (Class A-1) of the preferred interests totals $1,500 and pays an initial preferred distribution of 5.0%, and the December series (Class A-2) totals $4,500 and pays an initial preferred distribution of 4.75%. Distributions are paid quarterly, subject to declaration, and reset every five years. Any failure to declare or pay distributions on the Tower preferred interests would not impose any limitation on cash movements between affiliates, or our ability to declare a dividend on or repurchase AT&T shares. We can call the Tower preferred interests at the issue price beginning five years from the issuance date or upon the receipt of proceeds from the sale of the underlying assets. The holders of the Tower preferred interests have the option to require redemption upon the occurrence of certain contingent events, such as the failure of AT&T to pay the preferred distribution for two or more periods or to meet certain other requirements, including a minimum credit rating. If notice is given upon such an event, all other holders of equal or more subordinate classes of membership interests in Tower Holdings are entitled to receive the same form of consideration payable to the holders of the preferred interests, resulting in a deemed liquidation for accounting purposes. The preferred interests are included in “Noncontrolling interest” on the consolidated balance sheets. PR Holdings In December 2019, we issued $1,950 nonconvertible cumulative preferred interests in a subsidiary (PR Holdings) that holds notes secured by the proceeds from the agreement to sell wireless and wireline operations in Puerto Rico and the U.S. Virgin Islands. (See Note 6) The membership interests in PR Holdings consist of (1) common interests, which are held by consolidated subsidiaries of AT&T, and (2) preferred interests (PR preferred interests). The PR preferred interests pay an initial preferred distribution at an annual rate of 4.75%. Distributions are paid quarterly, subject to declaration, and reset every five years. Any failure to declare or pay distributions on the PR preferred interests would not impose any limitation on cash movements between affiliates, or our ability to declare a dividend on or repurchase AT&T shares. We can call the PR preferred interests at the issue price beginning five years from the issuance date or upon the closing or termination of the sale of the underlying assets. The holders of the PR preferred interests have the option to require redemption upon the occurrence of certain contingent events, such as the failure of AT&T to pay the preferred distribution for two or more periods or to meet certain other requirements, including a minimum AT&T credit rating. If notice is given upon such an event, all other holders of equal or more subordinate classes of membership interests in PR Holdings are entitled to receive the same form of consideration payable to the holders of the preferred interests, resulting in a deemed liquidation for accounting purposes. The preferred interests are included in “Noncontrolling interest” on the consolidated balance sheets.

Stockholders' Equity

12 Months Ended

Dec. 31, 2019

NOTE 17. STOCKHOLDERS’ EQUITY

Authorized Shares We have authorized 14 billion common shares of AT&T stock and 10 million preferred shares of AT&T stock, each with a par value of $1.00 per share. At December 31, 2019, there were 48 thousand shares of Series A perpetual preferred stock, with a $25,000 per share liquidation preference, outstanding. There were no preferred shares outstanding at December 31, 2018. In February 2020, we issued 20 thousand shares of Series B cumulative perpetual preferred stock, with a €100,000 per share liquidation preference, and an initial rate of 2.875%, subject to reset beginning after five years. We also issued 70 thousand shares of Series C, 4.75% cumulative perpetual preferred stock with a $25,000 per share liquidation preference.

So long as the quarterly preferred dividends are declared and paid on a timely basis on each series of preferred shares, there are no limitations on our ability to declare a dividend on or repurchase AT&T common shares. The preferred shares are optionally redeemable by AT&T at the liquidation price on or after five years from the issuance date, or upon certain other contingent events.

Stock Repurchase Program From time to time, we repurchase shares of common stock for distribution through our employee benefit plans or in connection with certain acquisitions. Our Board of Directors has approved the following authorizations to repurchase common stock: (1) March 2013 authorization program of 300 million shares, with 19 million outstanding at December 31, 2019 and (2) March 2014 authorization program for an additional 300 million shares, with all 300 million outstanding at December 31, 2019.

To implement these authorizations, we used open market repurchase programs, relying on Rule 10b5-1 of the Securities Exchange Act of 1934, where feasible. We also use accelerated share repurchase programs with large financial institutions to repurchase our stock. During 2019, we repurchased approximately 56 million shares totaling $2,135 under the March 2013 authorization.

Dividend Declarations In December 2019, AT&T declared a quarterly preferred dividend of $8 and an increase in its quarterly common dividend to $0.52 per share of common stock. In December 2018, AT&T declared an increase in its quarterly common dividend to $0.51 per share of common stock.

Preferred Interests Issued by Subsidiaries We have issued cumulative perpetual preferred membership interests in certain subsidiaries. The preferred interests are entitled to cash distributions, subject to declaration. The preferred interests are included in “Noncontrolling interest” on the consolidated balance sheets.

Mobility II

We have issued 320 million Series A Cumulative Perpetual Preferred Membership Interests in Mobility II (Mobility preferred interests), representing all currently outstanding Mobility preferred equity interests, which pay cash distributions of $560 per annum, subject to declaration. So long as the distributions are declared and paid, the terms of the Mobility preferred equity interests will not impose any limitations on cash movements between affiliates, or our ability to declare a dividend on or repurchase AT&T shares.

A holder of the Mobility preferred interests may put the interests to Mobility II on or after the earliest of certain events or September 9, 2020. Mobility II may redeem the interests upon a change in control of Mobility II or on or after September 9, 2022. When either options arise due to a passage of time, that option may be exercised only during certain periods.

The price at which a put option or a redemption option can be exercised is the greater of (1) the market value of the interests as of the last date of the quarter preceding the date of the exercise of a put or redemption option and (2) the sum of (a) twenty-five dollars ($8,000 in the aggregate) plus (b) any accrued and unpaid distributions. The redemption price may be paid with cash, AT&T common stock, or a combination of cash and AT&T common stock, at Mobility II’s sole election. In no event shall Mobility II be required to deliver more than 250 million shares of AT&T common stock to settle put and redemption options. We have the intent and ability to settle the Mobility preferred equity interests with cash. The preferred interests are included in “Noncontrolling interest” on the consolidated balance sheets.

Tower Holdings

In 2019, we issued $6,000 nonconvertible cumulative preferred interests in a wireless subsidiary (Tower Holdings) that holds interests in various tower assets and have the right to receive approximately $6,000 if the purchase options from the tower companies are exercised.

The membership interests in Tower Holdings consist of (1) common interests, which are held by a consolidated subsidiary of AT&T, and (2) two series of preferred interests (collectively the “Tower preferred interests”). The September series (Class A-1) of the preferred interests totals $1,500 and pays an initial preferred distribution of 5.0%, and the December series (Class A-2) totals $4,500 and pays an initial preferred distribution of 4.75%. Distributions are paid quarterly, subject to declaration, and reset every five years. Any failure to declare or pay distributions on the Tower preferred interests would not impose any limitation on cash movements between affiliates, or our ability to declare a dividend on or repurchase AT&T shares. We can call the Tower preferred interests at the issue price beginning five years from the issuance date or upon the receipt of proceeds from the sale of the underlying assets.

The holders of the Tower preferred interests have the option to require redemption upon the occurrence of certain contingent events, such as the failure of AT&T to pay the preferred distribution for two or more periods or to meet certain other requirements, including a minimum credit rating. If notice is given upon such an event, all other holders of equal or more subordinate classes of membership interests in Tower Holdings are entitled to receive the same form of consideration payable to the holders of the preferred interests, resulting in a deemed liquidation for accounting purposes. The preferred interests are included in “Noncontrolling interest” on the consolidated balance sheets.

PR Holdings

In December 2019, we issued $1,950 nonconvertible cumulative preferred interests in a subsidiary (PR Holdings) that holds notes secured by the proceeds from the agreement to sell wireless and wireline operations in Puerto Rico and the U.S. Virgin Islands. (See Note 6)

The membership interests in PR Holdings consist of (1) common interests, which are held by consolidated subsidiaries of AT&T, and (2) preferred interests (PR preferred interests). The PR preferred interests pay an initial preferred distribution at an annual rate of 4.75%. Distributions are paid quarterly, subject to declaration, and reset every five years. Any failure to declare or pay distributions on the PR preferred interests would not impose any limitation on cash movements between affiliates, or our ability to declare a dividend on or repurchase AT&T shares. We can call the PR preferred interests at the issue price beginning five years from the issuance date or upon the closing or termination of the sale of the underlying assets.

The holders of the PR preferred interests have the option to require redemption upon the occurrence of certain contingent events, such as the failure of AT&T to pay the preferred distribution for two or more periods or to meet certain other requirements, including a minimum AT&T credit rating. If notice is given upon such an event, all other holders of equal or more subordinate classes of membership interests in PR Holdings are entitled to receive the same form of consideration payable to the holders of the preferred interests, resulting in a deemed liquidation for accounting purposes. The preferred interests are included in “Noncontrolling interest” on the consolidated balance sheets.