v3.20.1
Stockholders' Equity and Noncontrolling Interests
 3 Months Ended
Mar. 31, 2020
Stockholders' Equity Note [Abstract]  
Stockholders' Equity and Noncontrolling Interests Stockholders' Equity and Noncontrolling Interests
We have 2.0 billion shares of preferred stock and 5.0 billion shares of common stock authorized for issuance. We had no shares of preferred stock and 1.4 billion shares of common stock issued and outstanding at March 31, 2020 and December 31, 2019.

The following table summarizes the significant components of Accumulated other comprehensive loss:

Three Months Ended

March 31, 2020

March 31, 2019
Foreign Currency Translation Adjustments
 
 
 
Balance at beginning of period
$
(2,277
)

$
(2,250
)
Other comprehensive income (loss) and noncontrolling interests, net of reclassification adjustment and tax(a)(b)
(814
)
 
125

Balance at end of period
$
(3,091
)
 
$
(2,125
)
 
 
 
 
Defined Benefit Plans
 
 
 
Balance at beginning of period
$
(8,857
)

$
(6,737
)
Other comprehensive income (loss) before reclassification adjustment, net of tax(b)
263


(1
)
Reclassification adjustment, net of tax(b)
54


37

Other comprehensive income, net of tax(b)
317


36

Balance at end of period(c)
$
(8,540
)

$
(6,701
)

__________
(a)
The noncontrolling interests and reclassification adjustment were insignificant in the three months ended March 31, 2020 and 2019.
(b)
The income tax effect was insignificant in the three months ended March 31, 2020 and 2019.
(c)
Primarily consists of unamortized actuarial loss on our defined benefit plans. Refer to the Critical Accounting Estimates section of Management's Discussion and Analysis of Financial Condition and Results of Operations (MD&A) in our 2019 Form 10-K for additional information.