Equity (Tables)	12 Months Ended
Dec. 31, 2019
Equity [Abstract]
Changes in shares of common stock	Note 16—Equity Common Stock The changes in our shares of common stock, as categorized in the equity section of the balance sheet, were: Shares 2019 2018 2017 Issued Beginning of year 1,791,637,434 1,785,419,175 1,782,079,107 Distributed under benefit plans 4,014,769 6,218,259 3,340,068 End of year 1,795,652,203 1,791,637,434 1,785,419,175 Held in Treasury Beginning of year 653,288,213 608,312,034 544,809,771 Repurchase of common stock 57,495,601 44,976,179 63,502,263 End of year 710,783,814 653,288,213 608,312,034

Note 16—Equity

Common Stock

The changes in our shares of common stock, as categorized

in the equity section of the balance sheet,

were:

2019

2018

2017

Issued

Beginning of year

1,791,637,434

1,785,419,175

1,782,079,107

Distributed under benefit plans

4,014,769

6,218,259

3,340,068

End of year

1,795,652,203

1,791,637,434

1,785,419,175

Held in Treasury

Beginning of year

653,288,213

608,312,034

544,809,771

Repurchase of common stock

57,495,601

44,976,179

63,502,263

End of year

710,783,814

653,288,213

608,312,034