December 31,

2014

2013

Asset retirement obligations (C)

$

587

$

544

Environmental remediation (N)

473

461

Fair value of derivative contracts (X)

376

420

Accrued compensation and retirement costs

346

342

Income taxes (T)

330

403

Liability related to the resolution of a legal matter (N)

222

296

Contingent payment related to an acquisition (F)

130

-

Deferred alumina sales revenue

93

101

Deferred credit related to derivative contract (X)

62

157

Other

230

247

$

2,849

$

2,971