($ in millions)
At December 31:

2019

2018

Derivatives—noncurrent

​

$

94

​

$

347

Alliance investments

​

​

​

​

​

​

Equity method

​

​

184

​

​

192

Non-equity method

​

​

38

​

​

34

Long-term deposits

​

​

242

​

​

268

Other receivables

​

​

276

​

​

359

Employee benefit-related

​

​

253

​

​

263

Prepaid income taxes

​

​

664

​

​

626

Other assets

​

​

321

​

​

296

Total

​

$

2,074

​

$

2,386