​

​

​

​

​

​

​

($ in millions)

​

​

​

​

At December 31:

2020

2019

Income tax reserves

​

$

5,274

​

$

5,118

Excess 401(k) Plus Plan

​

​

1,635

​

​

1,521

Disability benefits

​

​

452

​

​

478

Derivative liabilities

​

​

40

​

​

506

Workforce reductions

​

​

956

​

​

725

Deferred taxes

​

​

5,472

​

​

5,230

Other taxes payable

​

​

253

​

​

42

Environmental accruals

​

​

246

​

​

254

Warranty accruals

​

​

33

​

​

45

Asset retirement obligations

​

​

117

​

​

94

Acquisition related

​

​

60

​

​

9

Divestiture related

​

​

62

​

​

65

Other

​

​

297

​

​

439

Total

​

$

14,897

​

$

14,526

​

​

​

​

​

​

​