($ in millions)

​

​

​

​

​

​

At December 31:

2021

2020

Derivatives—noncurrent

​

$

40

​

$

151

Alliance investments

​

​

​

​

​

​

Equity method

​

​

159

​

​

170

Non-equity method

​

​

47

​

​

46

Long-term deposits

​

​

205

​

​

231

Other receivables

​

​

181

​

​

423

Employee benefit-related

​

​

210

​

​

237

Prepaid income taxes

​

​

743

​

​

777

Other assets

​

​

237

​

​

153

Total

​

$

1,823

​

$

2,187

​

​

​

​

​

​

​