The following tables set forth the computation of basic and diluted net income per share of Class A, Class B, and Class C stock (in millions, except share amounts which are reflected in thousands and per share amounts):


	Year Ended December 31,
	2019
	Class A		Class B		Class C
Basic net income per share:
Numerator

Allocation of undistributed earnings	$	14,846	$	2,307	$	17,190
Denominator
Number of shares used in per share computation	299,402		46,527		346,667



Basic net income per share	$	49.59	$	49.59	$	49.59
Diluted net income per share:
Numerator
Allocation of undistributed earnings for basic computation	$	14,846	$	2,307	$	17,190
Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares	2,307		0		0
Reallocation of undistributed earnings	(126)		(20)		126

Allocation of undistributed earnings	$	17,027	$	2,287	$	17,316





Denominator
Number of shares used in basic computation	299,402		46,527		346,667
Weighted-average effect of dilutive securities
Add:
Conversion of Class B to Class A shares outstanding	46,527		0		0

Restricted stock units and other contingently issuable shares	413		0		5,547
Number of shares used in per share computation	346,342		46,527		352,214




Diluted net income per share	$	49.16	$	49.16	$	49.16


	Year Ended December 31,
	2020
	Class A		Class B		Class C
Basic net income per share:
Numerator



Allocation of undistributed earnings	$	17,733	$	2,732	$	19,804
Denominator
Number of shares used in per share computation	299,815		46,182		334,819



Basic net income per share	$	59.15	$	59.15	$	59.15
Diluted net income per share:
Numerator
Allocation of undistributed earnings for basic computation	$	17,733	$	2,732	$	19,804
Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares	2,732		0		0
Reallocation of undistributed earnings	(180)		(25)		180
Allocation of undistributed earnings	$	20,285	$	2,707	$	19,984





Denominator
Number of shares used in basic computation	299,815		46,182		334,819
Weighted-average effect of dilutive securities
Add:
Conversion of Class B to Class A shares outstanding	46,182		0		0

Restricted stock units and other contingently issuable shares	87		0		6,125
Number of shares used in per share computation	346,084		46,182		340,944




Diluted net income per share	$	58.61	$	58.61	$	58.61


	Year Ended December 31,
	2021
	Class A		Class B		Class C
Basic net income per share:
Numerator
Allocation of undistributed earnings	$	34,200	$	5,174	$	36,659
Denominator
Number of shares used in per share computation	300,310		45,430		321,910



Basic net income per share	$	113.88	$	113.88	$	113.88
Diluted net income per share:
Numerator

Allocation of undistributed earnings for basic computation	$	34,200	$	5,174	$	36,659


Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares	5,174		0		0
Reallocation of undistributed earnings	(581)		(77)		581
Allocation of undistributed earnings	$	38,793	$	5,097	$	37,240





Denominator
Number of shares used in basic computation	300,310		45,430		321,910
Weighted-average effect of dilutive securities
Add:
Conversion of Class B to Class A shares outstanding	45,430		0		0

Restricted stock units and other contingently issuable shares	15		0		10,009
Number of shares used in per share computation	345,755		45,430		331,919




Diluted net income per share	$	112.20	$	112.20	$	112.20