Income Taxes (Tables)
 12 Months Ended
Dec. 31, 2019
Income Tax Disclosure [Abstract]  
Provision or benefit for income taxes
The provision or benefit for income taxes is comprised of the following for the years ended December 31:
 
2019
2018
2017
Current:
 
 
 
U.S.
$
(12
)
$
63

$
(75
)
Foreign
443

444

453

Total current
431

507

378

Deferred:
 
 
 
U.S.
(12
)
(211
)
(150
)
Foreign
63

(38
)
(183
)
Total deferred
51

(249
)
(333
)
Provision for income taxes
$
482

$
258

$
45
Geographic sources of income before income taxes
The geographic sources of income (loss) before income taxes, inclusive of equity in loss of affiliate, are as follows for the years ended December 31:
 
2019
2018
2017
U.S.
$
(693
)
$
(672
)
$
(1,189
)
Foreign
1,446

1,213

843

Income (loss) before income taxes, inclusive of equity in loss of affiliate
$
753

$
541

$
(346
)
Difference between provision and U.S. statutory tax rate
The provision for income taxes differs from the amount computed by applying the U.S. statutory income tax rate to the loss or income before income taxes for the reasons set forth below for the years ended December 31:
 
2019
2018
2017
Income (loss) before income taxes, inclusive of equity in loss of affiliate
$
753

$
541

$
(346
)
Taxes at the U.S. federal statutory income tax rate
158

114

(121
)
Effect of foreign operations
85

103

(19
)
Tax impact of partnership structure
17

80

171

Change in valuation allowances
241

87

169

Tax Cuts and Jobs Act enactment
—

(107
)
(132
)
Other - net
(19
)
(19
)
(23
)
Provision for income taxes
$
482

$
258

$
45

Actual income tax rate
64.0
%
47.7
%
(13.0
)%
Deferred tax assets and liabilities
The tax effects of our temporary differences and carryforwards are as follows at December 31:
 
2019
2018
Deferred tax assets:
 
 
Receivables
$
79

$
117

Inventory
91

79

Property
137

191

Goodwill and other intangibles
117

132

Employee benefits
98

97

Investment in partnership
381

228

Other accrued expenses
47

74

Operating loss carryforwards
1,654

1,525

Tax credit carryforwards
941

653

  Other
270

232

Total deferred income tax asset
3,815

3,328

  Valuation allowances
(2,883
)
(2,372
)
Total deferred income tax asset after valuation allowance
932

956

Deferred tax liabilities:




Undistributed earnings of foreign subsidiaries
—

(9
)
  Other
(29
)
(18
)
Total deferred income tax liability
(29
)
(27
)
Net deferred tax asset
$
903

$
929
Rollforward of unrecognized tax benefits and associated interest and penalties
The following table presents the changes in our gross unrecognized tax benefits included in the consolidated and combined statements of financial position.
Asset / (Liability)
2019
2018
Balance at beginning of year
$
(472
)
$
(395
)
Balance acquired from BHI
—

(142
)
Additions for tax positions of the current year
(25
)
(21
)
Additions for tax positions of prior years
(27
)
(95
)
Reductions for tax positions of prior years
55

101

Settlements with tax authorities
6

35

Lapse of statute of limitations
12

45

Balance at end of year
$
(451
)
$
(472
)