($ in millions)

​

​

​

​

​

​

At December 31:

2020

2019

Derivatives—noncurrent

​

$

151

​

$

94

Alliance investments

​

​

​

​

​

​

Equity method

​

​

172

​

​

184

Non-equity method

​

​

54

​

​

38

Long-term deposits

​

​

239

​

​

242

Other receivables

​

​

423

​

​

276

Employee benefit-related

​

​

238

​

​

253

Prepaid income taxes

​

​

777

​

​

664

Other assets

​

​

227

​

​

321

Total

​

$

2,282

​

$

2,074

​

​

​

​

​

​

​